Qinwen Zheng Favored at 68% Over Putintseva in US Open Round 2

Q: Did the Monte Carlo betting models correctly predict the value in Yulia Putintseva's underdog odds against Qinwen Zheng yesterday?

There is not enough verified result information in the material provided to say definitively whether the Monte Carlo models were proven right on Putintseva’s underdog value yesterday. The pre-match model from Dimers projected Qinwen Zheng to win the match 68% of the time and still labeled Putintseva’s +210 moneyline and +175 first-set price as the better value, meaning the odds may have been longer than her true chances. That is an important distinction: a value pick is not the same as a most-likely winner. A model can favor Zheng outright while still seeing Putintseva as the better bet at the available price. To judge whether the model “correctly predicted value,” the actual match result matters, but even one result is not enough to fully validate a value model. If Putintseva won, the value call would look good in this instance. If Zheng won, the model still might not have been wrong on value, because value betting is about long-run edge versus market odds, not a single-match outcome. The additional search material does not provide a confirmed final score or winner for Zheng vs. Putintseva. It only confirms the pre-match projections and that the match was scheduled for Sept. 3. So the fairest answer is that the evidence here is incomplete: Zheng was the expected winner, while Putintseva was the model’s value side, but the supplied information does not confirm whether that specific value call paid off yesterday.

Q: After a grueling first-round victory, did Putintseva's gritty resilience actually upset the heavily favored Zheng at the US Open?

No. Putintseva’s resilience from the first round did not produce an upset. Zheng Qinwen, the pre-match favorite, defeated Yulia Putintseva 6-4, 2-6, 6-1 in their US Open second-round match on Thursday in New York, advancing to the third round. That result matched the projection in the original preview, which had Zheng as a clear favorite with a 68% win probability. Putintseva did show the same grit that marked her opening-round comeback over Belinda Bencic. She fought back to take the second set as Zheng’s level dipped, turning the match into a real contest. But Zheng regained control in the decider and finished strongly, dominating the third set 6-1. Reporting from match coverage indicated Zheng started well, took the opening set, then responded after Putintseva’s push in the second by raising her level in the final set. Putintseva’s frustration was also visible during the match, including a racquet-toss moment, but she was unable to sustain the pressure needed to complete an upset. So while Putintseva validated some of the “value” arguments around her competitiveness, the actual outcome was straightforward on the main result: Zheng won and moved on.

3 articles · Updated · Dimers.com · Sep 3

Qinwen Zheng enters Thursday’s US Open second-round match as a 68% favorite over Yulia Putintseva, according to Dimers’ tennis model.
The model also gives Zheng a 65% chance to win the first set, a 53% chance to cover -3.5 games, and sees under 21.5 games hitting at 51%.
Betting markets price Zheng at -250 on the moneyline and Putintseva at +210, creating enough value for the outlet’s best bet to back Putintseva despite the lower win probability.
The match is scheduled for 12:40 PM ET on Thursday in the US Open Women’s Singles second round.