Head to head
Rivalry summary
Robert Collins and Marko Tkalec met 1 times on the ATP tour between 1999 and 1999. Marko Tkalec leads the head-to-head 1–0 against Robert Collins.
0
Carpet
1
Robert Collins's wins on the left · Marko Tkalec's on the right · bar lengths share one scale
All meetings (1)
| 1999 | Davis Cup G2 R1: IRL vs SLO | Carpet | RR | Marko Tkalec | 6-7(8) 6-1 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.