Juan Ignacio Galarza defeated Ryusei Makiguchi 6-4 4-6 6-2 in the Argentina F4 round of 32 on clay. The upset overturned the form book — Ryusei Makiguchi came in leading the head-to-head 2–0. Juan Ignacio Galarza claimed a first win over Ryusei Makiguchi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-24 | Argentina F10 | QF | clay | Ryusei Makiguchi | 6-4 3-6 6-4 |
| 2011-04-11 | Argentina F1 | R32 | clay | Ryusei Makiguchi | 1-6 6-3 6-3 |
Averages over each player's completed matches in the selected window (200 vs 4). 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