Head to head
1
Hard
0
0
Carpet
1
Shuzo Matsuoka's wins on the left · Roland So's on the right · bar lengths share one scale
All meetings (2)
| 1992 | Davis Cup G1 PO: PHI vs JPN | Hard | RR | Shuzo Matsuoka | 6-1 6-4 6-4 |
| 1991 | Davis Cup G1 QF: JPN vs PHI | Carpet | RR | Roland So | 7-5 6-2 6-2 |
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.