Korea Open: Tomova books spot in quarter-finals as Anisimova quits
Viktoriya Tomova benefited from the abandonment of Amanda Anisimova (7-5, 4-1) on Thursday

Bulgarian Viktoriya Tomova reached the quarter-finals of the Korea Open when American Amanda Anisimova retired at the Olympic Park Tennis Center in Seoul on Thursday.
Tomova, ranked No 54, led 7-5, 4-1 when Anisimova, ranked No 46, pulled out.
The Bulgarian will face Veronika Kudermetova next.
Viktoriya Tomova defeated German Tatjana Maria (6-2, 1-6, 6-0) in the previous round of the Seoul tournament.
In the first round of the Seoul tournament, the American won against Kazakh Yulia Putintseva, the No 6 seed (6-3, 7-6 (5)).
Seoul WTA 500, other second-round results (Olympic Park Tennis Center, hard, USD 922.573, most recent results first):
- Daria Kasatkina vs. Hailey Baptiste
- Emma Raducanu vs. Yue Yuan
- Ajla Tomljanovic vs. Beatriz Haddad Maia
- Veronika Kudermetova beat Liudmila Samsonova (2): 6-4, 6-2
- Marta Kostyuk (5) beat Heather Watson (Q): 6-2, 6-2
- Diana Shnaider (4) beat Carol Zhao (Q): 6-3, 6-3
- Polina Kudermetova (LL) beat Ekaterina Alexandrova (7): 6-2, 7-5