Osaka Open: Birrell makes second round
Kimberly Birrell beat Zheng Saisai on Tuesday. She’ll play Belgian Elise Mertens, the No 3 seed, next

Australian qualifier Kimberly Birrell reached the second round of the Osaka Open by winning against Chinese Zheng Saisai 6-2, 6-3 at the Utsubo Tennis Center on Tuesday.
Birrell, ranked No 150, will play Belgian Elise Mertens, the No 3 seed, next.
Osaka WTA 250, other first-round results (Utsubo Tennis Center, hard, USD 267.080, most recent results first):
- Sara Saito (WC) beat Jessica Bouzas Maneiro: 6-3, 6-2
- Elise Mertens beat Mai Hontama (WC): 6-1, 6-1
- Elina Avanesyan (5) beat Ashlyn Krueger: 7-6 (1), 6-3
- Ana Bogdan (Q) beat Veronika Kudermetova: 6-2, 6-2
- Diane Parry (7) beat Erika Andreeva: 4-6, 7-6 (4), 6-1
- Marie Bouzkova (4) beat Moyuka Uchijima: 7-6 (6), 2-6, 6-3
- Harriet Dart beat Laura Siegemund (Q): 3-6, 7-5, 7-5
- Greet Minnen beat Bianca Andreescu (WC): 6-3, 6-0
- Eva Lys (LL) beat Camila Osorio: 6-2, 6-3
- Aoi Ito (Q) beat Sofia Kenin (WC): 6-2, 3-6, 7-5
- Elisabetta Cocciaretto (8) beat Jessika Ponchet (LL): 6-4, 5-7, 7-6 (3)
- McCartney Kessler beat Ena Shibahara (Q): 6-4, 6-1
- Lucia Bronzetti beat Cristina Bucsa: 6-3, 6-4
- Clara Tauson beat Katie Volynets: 6-1, 6-4
- Suzan Lamens (Q) beat Viktoriya Tomova (6): 6-1, 6-2