Elise Mertens vs Maja Chwalinska Prediction — Singapore, Thursday, September 24, 2026

Our Elise Mertens vs Maja Chwalinska prediction starts with a clear side and ends with a clear pass. The model makes Mertens the more likely winner of Thursday, September 24, 2026, at 10:00 PM ET in Singapore. She is priced at -267. This is an official-card PASS, and it is not a bet we are making.

Both things can be true. Picking a winner and betting a price are different jobs, and today the two do not line up.

Why the model is on Mertens

The case rests on hard-court numbers over the last 12 months. Mertens is 16-11 against a schedule that rates around the 71st percentile, holding serve 73% of the time and winning 35% of return games. Chwalinska is 9-7 against a schedule near the 46th percentile, holding 63% and winning 38% of return games. Mertens has the stronger hold and the tougher opposition. Chwalinska has the slightly better return number.

Her last month backs that up. She won the Monterrey semifinal over Bartunkova after dropping the first set 1-6, then reached the final. She also held three match points against Osaka at the US Open before losing 3-6 6-3 5-7. Her one-month serve numbers (72.7% first serve points won, 51.1% on second) are better than her 12-month baseline.

The serve matchup also leans her way. Chwalinska is 1-4 on hard against first-strike servers, holding 57% and winning 22% of return games. Mertens holds 78% against grinders, going 5-2. Chwalinska's serve is soft, with first-serve points won at 60% and 1.2% aces, so it should give up breaks.

The case against

The problem is the loss table. Mertens' second serve is her soft spot: 45% of those points won over 12 months, with a 6.8% double-fault rate. Chwalinska beat her 6-4 6-0 at Roland Garros four months ago, winning 14 of the 18 second-serve return points while Mertens hit five double faults. That is clay, so we treat it as secondary evidence of a durable trait, not as a blueprint for a hard-court match.

The hard-court version is stronger than it sounds, though. Mertens lost twice to Parry in August, in Cincinnati and in the Monterrey final. Parry is a crafty opponent, and Chwalinska's low slices and aggressive second-serve returns fit that same pattern.

Rust versus rhythm

Mertens had a first-round bye and then a walkover, because Krejcikova withdrew with a lower-back injury. She has not played a contested singles match since the US Open loss to Osaka on September 5, about 20 days. That is under the four-week mark where inactivity becomes a real worry, and no injury is reported. Still, she meets an opponent who has two wins of rhythm this week.

Chwalinska beat Sramkova 6-4 6-2 in the first round, then Oliynykova 6-0 6-1 in 59 minutes. Both wins repaired a rough stretch: after her right ankle injury at Wimbledon she went 1-4 on hard. But the opposition was a wildcard ranked 146th and an error-prone No. 47, so the wins bring her back to her modest hard baseline and do not lift her above it. Her total workload is about 138 minutes, with a rest day on the 24th.

The number that matters

At -267, the market is asking a lot of a player whose second serve has been a repeat problem against this exact opponent and who has had no singles court time here. The model still prefers Mertens on same-surface fundamentals. It does not treat the price as a bet, and we are not backing it. If you like Mertens, that is your read to make, not ours.

The verdict

Verdict: PASS. The model leans to Mertens as the likelier winner on hard-court fundamentals, but this is an official-card PASS with no official action. We are not backing it at -267.