Seoul Open: Top seed Ostapenko into second round, Gasanova next
Jelena Ostapenko edged out Boyoung Jeong 6-4, 3-6, 7-6 (2) on Tuesday night and will face Russian Anastasia Gasanova in the next round

Latvian Jelena Ostapenko, the top seed, moved into the second round of the Seoul Open by edging out wildcard Boyoung Jeong 6-4, 3-6, 7-6 (2) at the Seoul Olympic Park on Tuesday night.
Ostapenko, ranked No 19, will face Russian Anastasia Gasanova next.
Seoul WTA 250, other first-round results (Seoul Olympic Park, hard, USD 251.750, most recent results first):
- Moyuka Uchijima vs. Emma Raducanu : to be played
- Linda Fruhvirtova vs. Yanina Wickmayer : to be played
- Varvara Gracheva vs. Anna Blinkova : to be played
- Magda Linette vs. Arianne Hartono : to be played
- Tatjana Maria vs. Eugenie Bouchard : to be played
- Ekaterina Alexandrova (2) beat Asia Muhammad: 6-1, 3-6, 6-1
- Anastasia Gasanova beat Astra Sharma (Q): 7-5, 7-5
- Victoria Jimenez Kasintseva (LL) beat Chloe Paquet: 6-2, 6-2
- Ankita Raina (Q) beat Maddison Inglis: 4-6, 7-5, 6-1
- Kristina Mladenovic beat Sohyun Park (WC): 6-4, 4-6, 6-3
- Rebecca Marino (8) beat Jana Fett (Q): 6-1, 6-2
- Kimberly Birrell beat Priscilla Hon: 6-4, 4-6, 6-4
- Lin Zhu (4) beat Su Jeong Jang: 6-3, 6-4
- Na-Lae Han (WC) beat Dayeon Back (Q): 6-1, 6-1
- Lulu Sun (Q) beat Lizette Cabrera (Q): 7-6 (6), 6-2