Steffen Zornosa defeated Ryusei Makiguchi 4-6 6-4 6-4 in the Bolivia F2 round of 32 on clay. The upset overturned the form book — Ryusei Makiguchi came in leading the head-to-head 1–0, but Steffen Zornosa had been the form player, winning 2 of their last 6 on clay. Steffen Zornosa claimed a first win over Ryusei Makiguchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Bolivia F5 | QF | clay | Ryusei Makiguchi | 6-3 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.