Head to head
Rivalry summary
Billy Harris and Shintaro Mochizuki met 1 times on the ATP tour between 2026 and 2026. Billy Harris leads the head-to-head 1–0 against Shintaro Mochizuki.
1
Hard
0
Billy Harris's wins on the left · Shintaro Mochizuki's on the right · bar lengths share one scale
All meetings (1)
| 2026 | United Cup | Hard | RR | Billy Harris | 7-6(4) 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.