WTA
San Diego Open: Preston outlasts Frech
Taylah Preston defeated Magdalena Frech 6-4, 4-6, 6-1 on Tuesday night and will face Ukrainian Marta Kostyuk, the No 6 seed, in the next round
San Diego Open: Fernandez forced to retire after winning first set
Leylah Fernandez was forced to retire at 7-6 (7), 0-4 on Tuesday night, with Tatjan Maria progressing to play Daria Saville in the next round
Austin Open: Volynets makes second round
Katie Volynets won against Renata Zarazua 6-4, 7-6 (6) on Tuesday night. She'll play the winner of the match between American Danielle Collins, the No 3 seed, and Australian qualifier Olivia Gadecki in the next round
Austin Open: Vickery wins battle of qualifiers to reach second round
Sachia Vickery defeated Rebecca Marino 6-2, 6-4 on Tuesday night and will play the winner of the match between American Peyton Stearns, the No 7 seed, and Slovak Anna Karolina Schmiedlova in the next round
Austin Open: Sevastova reaches second round
Anastasija Sevastova defeated Julia Riera 6-4, 6-3 on Tuesday night. She'll face American Sloane Stephens, the second seed, in the next round
San Diego Open: Yastremska moves into second round
Austin Open: Top seed Kalinina through to second round
Austin Open: Wang moves into second round
Austin Open: Second seed Stephens makes second round
Austin Open: Townsend books spot in second round
Austin Open: Rakhimova moves into second round
Austin Open: Semenistaja books spot in second round
Austin Open: Arango books spot in second round
San Diego Open: Sixth seed Kostyuk through to second round
San Diego Open: Wang sets up Pavlyuchenkova clash
San Diego Open: 19-year-old qualifier Stakusic scores first WTA main draw win
Austin Open: Osorio downs Cornet in straight sets
San Diego Open: Saville untroubled en route to second round
San Diego Open: Niemeier races into second round
San Diego Open: Boulter races past Tsurenko