

Marcos Giron defeated Learner Tien 6-1 1-6 7-6 in the Madrid Masters round of 128 on clay. The upset overturned the form book — Learner Tien came in ranked #12, leading the head-to-head 1–0. Marcos Giron claimed a first win over Learner Tien in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-19 | Australian Open | R128 | hard | Learner Tien | 7-6 4-6 3-6 7-6 6-2 |
Averages over each player's completed matches in the selected window (90 vs 103). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About