Head to head
1
Clay
1
Billy Martin's wins on the left · John Lloyd's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Toronto-2 | Clay | R64 | John Lloyd | 1-6 6-2 7-5 |
| 1977 | Columbus | Clay | R16 | Billy Martin | 6-3 6-4 |
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.