Single: Li vs Sonmez — odds 1.58

Why this betA single on Zeynep Sonmez +4.5 games against Ann Li in the second round of the Japan Open in Osaka. Li is the top seed, ranked 25, and beat Aryna Sabalenka in Wuhan last week, but Sonmez has won all three of their meetings, both 2026 matches in three sets. We expect a close match decided on Li's serve, not a rout.

Leg 1 · Tennis · WTA · Japan Open, Osaka · 22 OCT · 03:30 UK

Ann Li vs Zeynep Sonmez

Zeynep Sonmez +4.5 games1.58Lost

Why this pickLi's game is built on the serve: she holds 71.0% of her service games and hits 5.2 aces a match this season, but she wins only 30.2% of her return games, so she rarely runs away with sets. Sonmez holds 60.9% and wins 36.8% on return. Dimers gives Li 62% to win the match and our fresh Elo 64%, which points to a contest. The bet wins with any Sonmez win, almost any three-set Li win and a straight-sets Li win by up to four games; it loses on 6:3, 6:4 Li or wider. The risk: Li is in the best form of her season.

Predicted score: 2:1
Our estimate: 64–68%

Form · Li beat Aryna Sabalenka in Wuhan; Sonmez came from a set down to beat Maya Joint here

Ann LiLast 10: 7-3

Won v Vekic D. 5-7, 7-6(4), 6-4
Lost to Noskova L. 6-2, 6(6)-7, 6-2
Won v Krueger A. 6-4, 6-2
Won v Bencic B. 6-4, 6-3
Lost to Svitolina E. 6-2, 6-3
Won v Osorio C. 6-1, 3-0 ret.
Won v Sabalenka A. 3-6, 6-4, 7-6(5)
Won v Tjen J. 6-1, 7-6(1)
Lost to Swiatek I. 6-4, 6-1
Won v Jones E. 5-7, 6-0, 6-3

Zeynep SonmezLast 10: 5-5

Won v Kasatkina D. 2-6, 7-6(4), 6-3
Lost to Anisimova A. 6-2, 6-3
Lost to Gauff C. 6-3, 6-4
Won v Shymanovich I. 6-1, 6-1
Lost to Jovic I. 7-6(5), 6-4
Lost to Inglis M. 6-4, 6-4
Won v Zakharova A. 6-3, 6-2
Won v Kraus S. 6-2, 6-4
Lost to Putintseva Y. 6(1)-7, 6-3, 7-5
Won v Joint M. 3-6, 6-4, 6-3

Stats comparison

Stat	Li	Sonmez
On hard courts	19-16	17-15
Last 10 matches	7-3	5-5
Service games held	71.0%	60.9%
Return games won	30.2%	36.8%

Our scenario

7:5, 4:6, 6:4 2:1 in sets

A close match, Li in three. Li should hold most of her service games, but she breaks rarely, so Sonmez can stay close on her own serve even though she holds only 60.9% of the time. We see Li 7:5, 4:6, 6:4; a Sonmez win in three, as in both meetings this year, is the alternative. The +4.5 games bet wins with any Sonmez win, almost any three-set Li win and a straight-sets Li win by up to four games (6:4, 6:4). It loses if Li wins in two sets by five games or more, such as 6:3, 6:4.

Arguing against ourselves

01Sonmez holds only 60.9% of her service games, so Li will get break chances.
02Li is in the best run of her season, with wins over Aryna Sabalenka and Belinda Bencic in the last three weeks.
03The head-to-head is context, not a rule: the betting line already knows it.

Li this autumnIn Wuhan she beat Aryna Sabalenka 3:6, 6:4, 7:6 as a big underdog and Janice Tjen 6:1, 7:6, then lost to Iga Swiatek 4:6, 1:6 in the quarter-finals. In Beijing she beat Belinda Bencic 6:4, 6:3. Here she came from a set down to beat Emerson Jones 5:7, 6:0, 6:3 on Tuesday.

Full match analysis