Head to head
0
Clay
1
Robert McKinley's wins on the left · Allan Stone's on the right · bar lengths share one scale
All meetings (1)
| 1973 | Louisville | Clay | R64 | Allan Stone | 3-6 6-2 7-6 |
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.