Stanislas Wawrinka will be wary of the threat posed by Kevin Anderson in the men's singles quarterfinals of the US Open, while the women's singles has a couple of interesting matches on show as well on Day 10.
Wawrinka has not been at his absolute single-backhand-ripping best at this US Open, but he has done enough to make it to another Grand Slam quarterfinal.
Enough might not be enough, this time, though, considering the form that Anderson showed in the fourth round match against Andy Murray.
Wawrinka showed signs of his best form returning in the fourth round win over Donald Young, and the French Open champion will hope it is a sign of things to come.
"I think was the best match I played so far," Wawrinka said. "Some good moments on the court. I was feeling better. Mentally I was there. It was a good win for me."
Anderson will come into this quarterfinal with the confidence-metre reading full, but the key for the South African will be to maintain that same level he put up against a shell-shocked Murray.
"It's going to be the first time at a major," Anderson said of playing Wawrinka. "Obviously I've played him a few times now. Had some success against him the last few times we've played.
"Very close matches. I mean, Paris last year, he served for the match. I was able to come through and get that. At Queen's this year, I think it was two tiebreak sets, so very close. I played very good tennis.
"So it's going to be a tough match. I think, especially in the last few years, he's really put himself up there as one of the main contenders for Slams. I really feel he's playing some of his best tennis. To win two Slams in the last year and a half is obviously a testament to that.
"He knows what it takes. He's been in that position. It's my first time, but I feel like I'm hitting the ball very well. I know what to expect going into the match. It's just about giving myself the best opportunity and obviously trying to execute as best as I can."
Before the Wawrinka vs Anderson quarterfinal, there will be a couple of women's singles quarterfinals as well, while Petra Kvitova is the heavy favourite for the first one, when she faces Flavia Pennetta, the second match should be an absolute ripper, with Victoria Azarenka playing the No.2 seed Simona Halep.
"I believe that I can win it," Halep said. "So I have just to stay positive, to try everything, to try to do my game, to be aggressive and to play fast. I know that she will fight because she's a fighter girl.
"But, you know, it's quarterfinals. We both are tired. So I have just to work out and to take my chance."
Where to Watch Live
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The quarterfinal action at the Arthur Ashe Stadium begins at 11 am local time ((8.30 pm IST, 4 pm BST). Kvitova vs Pennetta will kick things off, before Azarenka and Halep take centre-stage. The final match of the morning session on Wednesday will be the Wawrinka vs Anderson one. Ten Sports will provide live coverage of the three matches on TV, with the online live streaming option on Ten Sports Live.
Viewers in the US can watch the matches live on ESPN, while the live option online is on Watch ESPN. UK viewers can catch all the quarterfinal action live on Sky Sports, while the live stream option is on Sky Go. Audience in Australia can watch the matches on Fox Sports, while the US Open 2015 can also be live streamed on Foxtel Play.