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Frances Tiafoe delivered one of the defining comebacks of the 2026 US Open on Tuesday, September 8, overturning a two-set deficit against fellow American Alex Michelsen to reach the men’s singles semifinals.
The No. 11 seed won 5-7, 3-6, 7-5, 6-3, 7-6(6) in Arthur Ashe Stadium. The match lasted 4 hours and 39 minutes, according to the official US Open match report. Tiafoe was not merely behind by two sets; he also had to recover from a break deficit before turning the quarterfinal around.
How Tiafoe changed the match
Michelsen controlled the opening two sets and put Tiafoe in a position where every loose service game could have ended his tournament. Tiafoe’s response was less about one spectacular burst than sustained pressure. He took the third set 7-5, leveled the match with a 6-3 fourth, then survived a deciding-set tiebreak.
The fifth-set finish tested the part of Tiafoe’s game that becomes increasingly important late in a major: emotional control under maximum scoreboard pressure. Instead of chasing a quick escape, he stayed in rallies long enough to force Michelsen to keep winning points.
Why this semifinal run matters
For American men’s tennis, an all-American major quarterfinal guaranteed a home semifinalist. Tiafoe made sure it would be him, and he did it through a match that demanded physical endurance as much as shot-making.
The comeback also changes the narrative around his tournament. A straight-sets quarterfinal win can demonstrate control; recovering from 0-2 down demonstrates adaptability. That distinction becomes meaningful in the semifinal stage, where opponents are less likely to allow a single successful pattern to work for an entire match.
What comes next
Tiafoe advances into the final four with nearly five hours of quarterfinal tennis in his legs. Recovery, serve efficiency and avoiding another slow start will be central to his next match. SportsyVibe will treat the semifinal matchup as live-current coverage once the opponent and official schedule are fully confirmed.
Image: generic tennis action by Moises Alex via Unsplash. It is not photography from the 2026 US Open.
Source: Official 2026 US Open match report, September 8, 2026.