Head to head
1
Hard
0
1
Grass
0
Emilio Montano's wins on the left · John Marks's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Sydney-1 | Hard | R32 | Emilio Montano | 6-4 6-3 |
| 1979 | Brisbane | Grass | R32 | Emilio Montano | 6-4 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.