Head to head
Rivalry summary
Daniel Koellerer and Jarkko Nieminen met 1 times on the ATP tour between 2009 and 2009. Daniel Koellerer leads the head-to-head 1–0 against Jarkko Nieminen.
1
Hard
0
Daniel Koellerer's wins on the left · Jarkko Nieminen's on the right · bar lengths share one scale
All meetings (1)
| 2009 | Vienna | Hard | R32 | Daniel Koellerer | 6-1 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.