Gauff's serve wobbles, Shelton falters and Alcaraz survives as Cincinnati night yields stark tests..
Atmane's run meets Sinner; Alcaraz and Zverev renew a tight rivalry in Cincinnati semifinals. Sat16.
Rybakina's serve led a 6-1, 6-4 Cincinnati victory over Sabalenka; she hit 11 aces and never broken.
Alcaraz moves to third all-time in Masters 1000 winning percentage after 15-match streak. vs Rublev.
Rybakina's 6-1, 6-4 win over Sabalenka in Cincinnati casts doubt over the world No 1's form. US Open
Sinner looks likely to control the Cincinnati semi while qualifier Atmane faces fatigue and regression.
Atmane beats Rune 6-2,6-3 in Cincinnati QF; moves to No 69 and will face Jannik Sinner. 23-year-old.
Gauff and Paolini meet in Cincinnati quarters; head-to-head tied 2-2 with contrasting form. US Open.
Zverev meets Shelton in Cincinnati quarters; Zverev leads 3-0; Shelton on nine-match streak. Friday 7p
Sabalenka leads 7-4; Rybakina has taken a set in all 11 meetings. Match Friday at 12:10 p.m. ET Soon.
