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Solana Sierra faces Coco Gauff in the 1/32-finals at Wimbledon WTA on 1 July, on grass, in a best-of-three match with a clear rankings gap.
The market strongly favours Gauff, but Sierra's grass record keeps the preview from being too simple. The key question is whether Sierra can protect enough service games to stop Gauff turning return pressure into steady control.Gauff leads their previous meetings 2-0, with the most recent a straight-sets win on hard court at the United Cup WTA on 3 January 2026. Those matches were not on grass, but the pattern still matters: Gauff won 29 games to Sierra's 13 overall, and her stronger return numbers in the match-up point to repeated pressure on Sierra's serve.

Sierra S.
Gauff C.

Sierra has a 4-2 grass record this season, while Gauff is 1-1 on the surface. That gives Sierra the larger recent grass sample, though Gauff has still held 80% of her service games on the surface, which gives her a clear base if her return game settles early.
Both players are 6-4 across their last 10 matches, so the headline form line is even. The detail leans Gauff: she has won 66% of service games and 48% of return games in that run, while Sierra sits at 62% and 38%, and Gauff has also taken the first set more often.
Bookmakers price Sierra at 5 against Gauff at 1.17, with first-set prices of 4 and 1.25. That is a strong market view, and it lines up with the ranking gap and the return-game edge in Gauff's favour.

Sierra S.
Gauff C.

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Sierra's route into the match is to make her grass rhythm count and avoid long spells under pressure on second serve. Gauff's broader season profile is stronger, especially on return, and her lighter recent workload also helps: she has played 6 hours and 59 minutes across her last five matches, compared with 10 hours and 3 minutes for Sierra.
Prediction
Coco Gauff
Solana Sierra
The indicators point towards Gauff, mainly because the market view, rivalry record and recent return numbers all lean the same way. Sierra's grass form gives her a route to stay competitive, but Gauff looks more likely to control enough return games to win.
Odds





