Head to head
0
Hard
2
1
Clay
0
0
Grass
1
2
Carpet
3
Robert Lutz's wins on the left · Roy Emerson's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1977 | Carlsbad | Hard | R16 | Roy Emerson | 6-3 RET |
| 1973 | Richmond WCT | Carpet | QF | Roy Emerson | 6-4 3-6 6-2 |
| 1972 | Denver WCT | Carpet | QF | Roy Emerson | 6-2 3-6 6-1 |
| 1972 | WCT Aetna World Cup | Carpet | RR | Roy Emerson | 3-6 7-6 6-4 |
| 1972 | Philadelphia WCT | Carpet | R16 | Robert Lutz | 6-3 6-2 |
| 1971 | Barcelona WCT | Clay | R16 | Robert Lutz | 6-3 6-2 |
| 1971 | Cologne WCT | Carpet | R16 | Robert Lutz | 7-6 6-2 |
| 1971 | Wimbledon | Grass | R32 | Roy Emerson | 8-9 6-3 9-8 9-8 |
| 1969 | Las Vegas | Hard | QF | Roy Emerson | 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.