Michael Zheng and Arthur Gea played into a fourth set at the 2026 US Open on 5 September, with the match yet to be decided late that evening. Betting markets on set outcomes remained active past 22:00 GMT, highlighting the ongoing doubt over the result.

Zheng, a young American, and Gea came into the event drawing notice from tennis and sports betting outlets. The match ran longer than many forecasters expected, pushing the contest well into the night session. At that point, neither player had established dominance.

The drawn-out nature of the encounter held the attention of punters throughout the late hours. As the outcome remained in doubt, markets continued to shift. The match served as a reminder that opening stage contests can deliver real tension at Grand Slam level.