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Check out the picks of the USOpen.org editorial team for the Day 10 quarterfinal matches:

No. 1 RAFAEL NADAL (ESP) vs. ANDREY RUBLEV (RUS)
Jeremy Borden: Nadal in a tight 4 over a worthy opponent.
Victoria Chiesa: The teenager has had a breakout Grand Slam in Flushing Meadows, taking out two Top 10 seeds in straight sets, but the world No. 1 presents a whole new challenge. Nadal in 3.
E.J. Crawford: Rublev has played tremendous tennis in stunning two Top 10 seeds to advance this far. Nadal has started slow this tournament, so Rublev can sneak a set, but expect the two-time champ to settle down and gut this one out. Nadal in 4.
Andrew Eichenholz: Rublev has hit through many a foe over the course of the tournament, but the young Russian has not had to hit through Rafa. Nadal in 3.
Richard Finn: Nadal is too strong mentally and physically for the Russian teen who idolized the all-time great as a child. Nadal in 3.
Robbie Frischling-Sosman: It's that time in a Slam where Rafa's level continues to rise and we get closer to the end. His intensity and signature forehand prove to be too much for the teenage Rublev. Rafa has a straightforward 3-set win to complete one half of the dream semifinal.
Related: Quarterfinal battles top Day 10 bill
Shazeen Kahn: Nadal has looked better and better with each round. I predict Rublev will fall to his idol in 4 sets.
Arthur Kapetanakis: Nadal has rounded into form, dismantling Alexandr Dolgopolov in Round 4 after dropping the opening set in his previous two matches. Rublev may test the Spaniard early, but he won't hang for the duration. Nadal in 3.
Megan King: RafaRafaRafaRafaRafaRafaRafaRafaRafaRafaRafaRafaRafa. Rafa in straights. All-Spanish final anyone?
Clair Maciel: Young Rublev has been impressive this tournament, and the teen has proven he has the weapons for a future in the Top 10. But facing Nadal in a major is on another level. The Spaniard moves on in 3.
Richard Osborn: Scalping Nos. 7 and 9 seeds Grigor Dimitrov and David Goffin is more than impressive, but Rublev — the youngest player to reach the US Open quarters since Andy Roddick in 2001 – will see his run halted by the Mallorcan: Rafa in straights.
David Satriano: Reality will finally set in for the exhuberant 19-year-old, whose Open run ends at the hands of the 15-time Slam champion. Nadal in 4.
Neil Schlecht: Boy wonder Rubles says he has nada to lose, so he will try to blast Nadal off the court. Rafa will make the wiry Russian work harder than in a Siberian labor camp, though, and take it in 4 strenuous sets.
September 4, 2017 - Roger Federer and Philipp Kohlschreiber talk before their match at the 2017 US Open. (USTA/Andrew Ong)
Photo by: (USTA/Andrew Ong)
No. 3 ROGER FEDERER (SUI) vs. No. 24 JUAN MARTIN DEL POTRO (ARG)
Jeremy Borden: Fed has enough against an exhausted del Potro in three.
Victoria Chiesa: After a mythical comeback from two sets down against Dominic Thiem, a rematch of the 2009 final is on the cards in a blockbuster men's quarterfinal. If he's feeling right, this could be a cracker – but Federer wins in 4.
E.J. Crawford: This all boils down to how Delpo can recover from his marathon win over Thiem. He might be gassed – and if so, this will be quick – but the hunch here says he makes this one memorable. Federer in 5.
Andrew Eichenholz: If the del Potro-Thiem match didn't give you goosebumps, I don't know what will, but Federer is rounding into form. Federer in 4.
Richard Finn: These two crowd favorites will put on another entertaining show, but one will have to lose. Federer moves on in 4 fun sets.
Robbie Frischling-Sosman: It will be hard to top del Potro's performance in his last round against Thiem, and he will feel the effects from that match. The crowd will bring out great tennis and inspire del Potro, but ultimately fatigue will set in. Roger will get some revenge from his loss in the 2009 final, advance in 4 tight sets and set up the dream semifinal we all want.
Shazeen Kahn: After his amazing comeback win in the fourth round, I think del Potro will put Federer to the test and edge it in 5 sets.
Arthur Kapetanakis: After surviving two five-setters to open the tournament, Federer has predictably raised his game. We know that Delpo can hit through the maestro, but his tank will hit empty after an epic five-setter in Round 4. Federer in 4.
Megan King: A well-rested del Potro spoils the coveted Rafa/Fed matchup at the Open once again. Too much forehand.
Clair Maciel: If he were in top shape and good health, I would give this one to del Potro. But after all the drama of his back-from-the-dead win over Thiem, his body might not be able to handle the demands of a match against Federer. The Swiss wins in 4.
Richard Osborn: An under-the-weather del Potro managed to flip the script against Dominic Thiem, roaring back from two sets down and fighting off a pair of match points in the process. But in doing so, the ever-popular Argentine may have overtaxed his body. Give him a set, but Federer moves on in 4, avenging his five-set loss to the Argentine in the 2009 final.
David Satriano: This is the year we finally see Federer and Nadal play at the US Open. Del Potro had a comeback for the ages in his last match, while Federer barely broke a sweat. In a rematch of the 2009 final won by del Potro, it's Roger in 4.
Neil Schlecht: The question is whether the tall Argentine with the big heart has anything left to reprise his classic five-set win in the '09 final here. Much as I'd like to see it happen, we're overdue for Fedal, so Roger prevails in 4 entertaining-as-all-get-out sets that get the crowd roaring.
September 2, 2017 - Karolina Pliskova in action against Shuai Zhang at the 2017 US Open. (USTA/Darren Carroll)
Photo by: (USTA/Darren Carroll)
No. 1 KAROLINA PLISKOVA (CZE) vs. No. 20 COCO VANDEWEGHE (USA)
Jeremy Borden: The American seems confident and poised. Vandeghwe takes Pliskova in 3.
Victoria Chiesa: World No. 1 Pliskova seemingly found her form in a fourth-round win over Jennifer Brady, and in what will surely be a battle of big serves, Pliskova will edge this by a whisker – maybe in two tiebreaks?
E.J. Crawford: Pliskova got a second lease on life after tough second- and third-round contests. CoCo will come to play, but streaks of inconsistency will be her undoing. Pliskova in 2.
Andrew Eichenholz: This is not the first time CoCo has made a deep run at a major, but has she ever looked so focused? CoCo in 3.
Richard Finn: CoCo will make it an all-USA semifinal with too much firepower for the world No 1. Another three-setter.
Shazeen Kahn: I think this one will be close, but expect the No. 1 seed Pliskova to live up to her ranking and win in 3 sets.
Robbie Frischling-Sosman: These two have had a bit of a war of words in their respective press conferences, and that will come out on court. Expect big hitting and a broken racquet by CoCo, who will push the No. 1 seed to the edge. At the end of the day, Pliskova will be the steadier of the two and come away with the victory in 3 sets.
Arthur Kapetanakis: New York stays in love with the CoCo as she gets through in 3.
Megan King: Pliskova got to the final last year, and CoCo in the quarters won't stand in her way this year. Pliskova in straights.
Clair Maciel: As much as I want to see four American women in the semifinals, Pliskova looks to have the stronger game at this stage of the tournament. Top seed goes through in 3.
Richard Osborn: There’s no love lost here, as both players have been less than complimentary in the lead-up to the match. There’ll be some high-risk/high-reward tennis here from both competitors, but the world No. 1 Czech will pull through in three tough sets.
David Satriano: The No. 1 seed, and only player among the top 8 remaining, took American Jennifer Brady out in 46 minutes in round 4, and will get past another American, though it will take 4 sets.
Neil Schlecht: CoCo will have the home crowd in her pocket, but the poised and unflappable Pliskova will withstand the American's firepower and return to the semis in 3.
September 2, 2017 - Madison Keys in action against Elena Vesnina at the 2017 US Open. (USTA/Mike Lawrence)
Photo by: (USTA/Mike Lawrence)
No. 15 MADISON KEYS (USA) vs. KAIA KANEPI (EST)
Jeremy Borden: Keys is playing well and should win in straights.
Victoria Chiesa: Former Top 15 player Kaia Kanepi has been the Cinderella of the tournament, reaching the last eight after a year out with injury. Now ranked No. 418, will the qualifier have enough left in the tank to win her eighth match of the tournament – when it takes seven to win a Grand Slam? Keys ends her run in 2 tight sets.
E.J. Crawford: Keys will be a heavy favorite, a mantle she hasn't worn in her last two evening contests, but expect the partisan crowd to once again lift her to the win over a very game opponent. Keys in a tough 2.
Andrew Eichenholz: I'm not so sure that Keys comes back in the third set against Svitolina in years past, and with all due respect, Kanepi is not at Svitolina's level. Keys in 2.
Richard Finn: Keys won't disappoint the fans, as the American advances in yet another tough three-setter.
Robbie Frischling-Sosman: Madison Keys has been the "Night Queen" in Queens this year. The crowd continues to motivate her under the bright lights of Ashe. That combined with her power off the forehand gets her through to her first semifinal at the US Open in 2 sets.
Shazeen Kahn: Although Kanepi has played well, she has not played any seeded players so far at the Open. I expect Keys to be too much for her. Keys in 3 sets.
Arthur Kapetanakis: The qualifier cannot test Keys as the solid Stevastova did in Round 4, when the American won the final four games in a row. Keys rides that momentum to blow past Kanepi in 2 straightforward sets.
Megan King: Keys will sit out the middle set, but the American should gut out a win in three.
Clair Maciel: Round after round, Keys has proven she can pass even the toughest of tests in a major. She'll have the edge over No. 418 qualifier Kanepi in straights.
Richard Osborn: Her wrist surgery now behind her, Keys appears to be relishing her time on court like never before. Don’t expect her to go home now. Her power game will be one of the keys in a straight-sets win over her Estonian challenger.
David Satriano: It's rare that a qualifier gets to the quarterfinals, but that's what Kanepi has done. This will be her eighth match (including the qualifying tournament), and she runs out of gas against the 22-year-old American. Keys in straights.
Neil Schlecht: Keys will krank it up and krush the kwalifier Kaia Kanepi.

Three former champions feature in top half quarter-finals
Eight years and four wrist surgeries since ending Roger Federer’s 40-match US Open win streak, Juan Martin del Potro returns to Arthur Ashe Stadium for a rematch. The Argentine is 5-16 in his FedEx ATP Head2Head record with Federer.
All five of his wins have come on hard courts, none more meaningful than when he rallied from a set-and-a-break down to deny Federer a sixth straight US Open title in 2009. Del Potro can prevent history from being made again as Federer and Rafael Nadal are one win from meeting for the first time at the US Open. The Swiss and Spaniard have been this close six times now, including in 2009, when del Potro defeated Nadal 6-2, 6-2, 6-2 in the semi-finals before beating Federer in the final.
Federer started the tournament with back-to-back five-set battles over Frances Tiafoe and Mikhail Youzhny, before he found his rhythm against Feliciano Lopez and Philipp Kohlschreiber. Del Potro, by contrast, cruised through his opening three matches in straight sets, against Henri Laaksonen, Adrian Menendez-Maceiras and No. 11 seed Roberto Bautista Agut, before saving two match points and fighting back from two sets down for the first time in his career to defeat No. 6 seed Dominic Thiem in the fourth round.
View FedEx ATP Head2Head matchups for the following matches at the US Open and vote for who you think will win!
Nadal vs. Rublev | Federer vs. del Potro


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Nadal’s quarter-final opponent on Wednesday is #NextGenATP player Andrey Rublev. The 19-year-old Russian is the youngest US Open quarter-finalist since Andy Roddick in 2001.
Rublev would be the youngest semi-finalist at the US Open since Lleyton Hewitt in 2000 and at any Grand Slam event since Nadal at 2005 Roland Garros. A teenager has never defeated a World No. 1 at the US Open dating back to the start of the Emirates ATP Rankings in 1973.
Nadal vs. Rublev marks the first meeting between a 30-something and a teenager in a Grand Slam quarter-final, semi-final or final since Pete Sampras, 19, defeated John McEnroe, 31, in the 1990 US Open semi-finals.
Nadal rebounded from slow starts in each of his first three rounds, downing Dusan Lajovic in straight sets, before four-set triumphs over Taro Daniel and Leonardo Mayer. He produced his most convincing win of the tournament over Alexandr Dolgopolov in the fourth round.
Rublev has dropped just one set en route to his maiden Grand Slam quarter-final, against Damir Dzumhur in the third round. He breezed past Aljaz Bedene in the opening round and posted straight-sets upsets over No. 7 seed Grigor Dimitrov (second round) and No. 9 seed David Goffin (fourth round).
The No. 1 ranking is on the line in Wednesday’s quarter-finals. If Federer wins and Nadal loses, Federer will return to the top of the Emirates ATP Rankings on Monday and become the oldest World No. 1 since rankings were established in 1973.
If Federer loses, Nadal will remain No. 1 next week regardless of his result against Rublev. If Federer and Nadal both win, their first US Open meeting on Friday will determine who is No. 1 in Monday’s rankings.
GRAPPLE IN THE APPLE
Legendary boxing promoter Don King billed it the ‘Grapple in the Apple’ in 2008, but Federer and Nadal have never played at the US Open. On five occasions, they were only a match away when one of the two lost.
Year Round Who Lost? What Happened?
2008 SF Nadal Nadal lost to Murray, who lost to Federer in final.
2009 SF Nadal Nadal lost to del Potro, who beat Federer in final.
2010 SF Federer Federer held 2 MPs but lost to Djokovic, who lost to Nadal in final.
2011 SF Federer Federer held 2 MPs but lost to Djokovic, who lost to Nadal in final.
2013 4R Federer Federer lost to Robredo, who lost to eventual champion Nadal in QF.