Sho Katayama defeated Aaron Leeder Chard 6-2 6-1 in the Japan F6 round of 32 on carpet. The upset overturned the form book — Aaron Leeder Chard came in leading the head-to-head 1–0. Sho Katayama claimed a first win over Aaron Leeder Chard in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-27 | Thailand F2 | R32 | hard | Aaron Leeder Chard | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.