Collin Altamirano defeated Alex Rybakov 6-2 1-6 6-2 in the USA F2 qualifying round on hard. The upset overturned the form book — Alex Rybakov came in ranked #507, leading the head-to-head 2–1. Collin Altamirano narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-10-08 | M25 Louisville 1 | R32 | hard | Alex Rybakov | 6-1 6-2 |
| 2024-02-21 | M25 Naples 1 | R32 | clay | Alex Rybakov | 6-3 6-2 |
| 2020-01-09 | M25 Los Angeles 1 | R16 | hard | Collin Altamirano | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (180 vs 200). ATP, WTA & Challenger.
Rybakov A.: 1 day rest · 2 matches, 41 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About