

Alex Michelsen defeated Learner Tien 6-4 6-2 in the Houston round of 32 on clay. The upset overturned the form book — Learner Tien came in ranked #17. Alex Michelsen extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-05-21 | Geneva | QF | clay | Learner Tien | 4-6 6-3 1-6 |
| 2026-01-04 | Brisbane | R16 | hard | Alex Michelsen | 6-4 6-2 |
| 2025-07-27 | Canada Masters | R16 | hard | Alex Michelsen | 6-3 6-3 |
| 2024-12-18 | Next Gen Finals | SF | hard | Learner Tien | 2-4 4-2 1-4 4-0 4-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (76 vs 85). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Michelsen A.: 1 day rest · 3 matches, 55 games (7d) · Tien L.: 10 days rest · 2 matches (14d). Higher means fresher. About