Sho Katayama defeated Yasutaka Uchiyama 6-1 6-1 in the Japan F3 round of 32 on hard. The upset overturned the form book — Yasutaka Uchiyama came in ranked #336, leading the head-to-head 2–1. Sho Katayama narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-30 | Japan F6 | R16 | clay | Yasutaka Uchiyama | 6-4 6-3 |
| 2015-06-22 | Japan F8 | F | clay | Yasutaka Uchiyama | 6-2 6-3 |
| 2013-03-18 | Japan F2 | R16 | hard | Sho Katayama | 7-5 6-4 |
Averages over each player's completed matches in the selected window (17 vs 199). 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