Top Seed Daniil Medvedev Faces Chak Lam Coleman Wong in Hangzhou Quarterfinal

Daniil Medvedev, the top seed and world No. 6, was scheduled to face unseeded Chak Lam Coleman Wong in a best-of-three quarterfinal at the 2026 ATP Hangzhou Open on hard courts. Ahead of the match, Medvedev had won his last 10 matches and held a 49–19 record over the prior year; Wong was 9–1 in his last 10 and 9–8 over the year. A prediction-market listing offered contracts on the second set, with provisions for postponements and player retirements, while another listing noted that people with material nonpublic information and certain league-connected individuals could not trade.
Wong was listed as ranked No. 112 and representing Hong Kong, while Medvedev was listed as representing Russia.
The Hangzhou tournament was listed as beginning on September 21, 2026, and as an ATP 250 event.
The trading restrictions extended beyond people with material nonpublic information and league-connected individuals: they also covered team and league owners, paid league employees, household members and immediate family of specified restricted groups, and employees of designated source agencies.
The second-set prediction market was labeled for September 26, 2026.
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