Beatriz Haddad Maia, the top seed, defeated Swiss qualifier Viktorija Golubic 6-3, 7-5 to advance to the second round of the Cleveland Open at Jacobs Pavilion on Tuesday night.
The Brazilian had previously lost all four previous matches against Golubic.
Haddad Maia, ranked No 23, will face Spaniard Cristina Bucsa in the next round.
Cleveland WTA 250, other first-round results (Jacobs Pavilion, hard, USD 267,082, most recent results first):
- Ana Bogdan (Q) defeated Leylah Fernandez (2): 1-6, 7-6 (2), 6-2
- Greet Minnen (LL) defeated Jaqueline Cristian: 6-3, 7-6 (5)
- Peyton Stearns (6) defeated Moyuka Uchijima: 6-0, 1-6, 6-1
- Sara Sorribes Tormo defeated Yafan Wang: 6-4, 6-1
- Jessica Bouzas Maneiro (Q) defeated Varvara Gracheva: 4-6, 6-3, 6-2
- Katerina Siniakova (3) defeated Sayaka Ishii (Q): 6-7 (5), 6-3, 7-6 (5)
- Sofia Kenin (8) defeated Katie Volynets: 6-2, 2-6, 7-5
- Viktoriya Tomova (7) defeated Lauren Davis (WC): 6-1, 6-4
- Cristina Bucsa defeated Martina Trevisan: 6-2, 6-4
- Clara Tauson defeated Anna Karolina Schmiedlova: 3-6, 6-3, 6-2
- McCartney Kessler (WC) defeated Katrina Scott (WC): 6-1, 4-6, 6-4
- Clara Burel defeated Elvina Kalieva (LL): 6-3, 6-2
- Anastasia Potapova (5) defeated Diane Parry: 6-3, 6-2
- Xinyu Wang (4) defeated Anna Blinkova: 6-1, 6-1
- Arantxa Rus defeated Lucia Bronzetti: 6-3, 7-6 (4)
