JAR
18.12.72, 52 years
1835129 $
18.12.72, 52 years
1835129 $
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Marcos Ondruska vs. Mark Nielsen - head to head matches
| 29.05.00 | q 1 | Marcos Ondruska | Mark Nielsen | 6-3, 6-4 | match details |  Paris | Clay |
Marcos Ondruska form & Mark Nielsen form
Marcos Ondruska - last matches
 Tunica - Clay | ||||
| 07.05.07 q 1 | vs. Giovanni Lapentti | 5-7, 7-64, 1-6 |  | match details |
 Aachen - Carpet | ||||
| 29.10.01 1st round | vs. Peter Wessels | 6-76, 6-73 | | match details |
 Stockholm - I. hard | ||||
| 22.10.01 q 1 | vs. Kristian Capalik | 4-6, 5-7 | | match details |
 Cagliari - Clay | ||||
| 01.10.01 1st round | vs. Oscar Serrano-Gamez | 2-6, 1-6 | | match details |
 Maia - Clay | ||||
| 24.09.01 1st round | vs. Attila Savolt | 7-63, 6-4 |  | match details |
| 24.09.01 2nd round | vs. Feliciano Lopez | 4-6, 6-4, 4-6 | | match details |
| New York - Hard | ||||
| 27.08.01 q 1 | vs. Julian Knowle | 2-6, 2-6 | | match details |
 Cordoba - Hard | ||||
| 06.08.01 1st round | vs. Ignacio Truyol-Turrion | 7-65, 6-3 | | match details |
| 06.08.01 2nd round | vs. Mario Radic | 6-1, 4-6, 6-76 | | match details |
| Segovia - Hard | ||||
| 30.07.01 2nd round | vs. Juan-Manuel Balcells | 5-7, 6-3, 7-5 | | match details |
| 30.07.01 1/4 | vs. Cyril Saulnier | 0-6, 3-6 | | match details |
| 30.07.01 1st round | vs. Guillermo Platel-Varas | 6-3, 5-7, 6-4 | | match details |
 London - Grass | ||||
| 25.06.01 qual. | vs. Cecil Mamiit | 5-7, 7-66, 2-6, 6-1, 1-6 | | match details |
| 25.06.01 q 1 | vs. James Blake | 6-75, 7-63, 6-3 | | match details |
| 25.06.01 q 2 | vs. Frederic Niemeyer | 6-4, 6-1 | | match details |
| London - Grass | ||||
| 11.06.01 q 1 | vs. Jimy Szymanski | 6-2, 6-1 | | match details |
| 11.06.01 qual. | vs. Todd Woodbridge | 6-76, 7-5, 4-6 | | match details |
| 11.06.01 q 2 | vs. Suwandi Suwandi | 6-2, 6-78, 6-3 | | match details |
| Surbiton - Grass | ||||
| 04.06.01 q 1 | vs. Helge Koll-Frafjord | 1-6, 2-6 | | match details |
| Paris - Clay | ||||
| 28.05.01 q 1 | vs. Luis Horna | 3-6, 6-3, 7-5 | | match details |
| 28.05.01 q 2 | vs. Stefano Tarallo | 6-4, 7-5 | | match details |
| 28.05.01 qual. | vs. Jan Hernych | 6-2, 4-6, 6-4 | | match details |
| 28.05.01 2nd round | vs. Juan Carlos Ferrero | 2-6, 2-6, 0-6 | | match details |
| 28.05.01 1st round | vs. Ivan Ljubicic | 2-6, 2-6, 7-5, 7-67, 10-8 | | match details |
 Edinburgh - Clay | ||||
| 14.05.01 1st round | vs. Francisco Costa | 6-4, 6-4 | | match details |
| 14.05.01 2nd round | vs. Filippo Messori | 6-3, 7-5 | | match details |
| 14.05.01 1/4 | vs. Tomas Behrend | 5-7, 2-6 | | match details |
| Calabasas - Hard | ||||
| 02.04.01 1st round | vs. Cecil Mamiit | 3-6, 6-3, 6-76 | | match details |
| Indian Wells - Hard | ||||
| 12.03.01 q 1 | vs. Michel Kratochvil | 2-6, 0-6 | | match details |
| Scottsdale - Hard | ||||
| 05.03.01 q 2 | vs. Dusan Vemic | 6-3, 2-6, 4-6 | | match details |
Mark Nielsen - last matches
 Japan F5 - Carpet | ||||
| 16.06.08 2nd round | vs. Young-Jun Kim | 4-6, 6-74 | | match details |
| 16.06.08 1st round | vs. Fumiaki Kita | 7-5, 6-4 | | match details |
| Japan F4 - Clay | ||||
| 09.06.08 1/2 | vs. Stephen Bass | 4-6, 7-64, 2-6 | | match details |
| 09.06.08 2nd round | vs. Yong-Kyu Lim | 6-3, 6-4 | | match details |
| 09.06.08 1/4 | vs. Tatsuma Ito | 6-1, 6-4 | | match details |
| 09.06.08 1st round | vs. Hyung-Tae Kwon | 6-3, 6-4 | | match details |
 Davis Cup - Hard | ||||
| 12.04.08 | vs. Ali Ismaeel | 6-4, 6-2 | | match details |
 New Zealand - Hard | ||||
| 27.02.06 1st round | vs. Raphael Durek | 6-2, 6-3 | | match details |
| 27.02.06 2nd round | vs. Daniel King-Turner | 0-1, - Mark Nielsen - retired | | match details |
 Australia F2 - Hard | ||||
| 20.02.06 1st round | vs. Timo Nieminen | 7-62, 6-4 | | match details |
| 20.02.06 1/2 | vs. Satoshi Iwabuchi | 2-6, 5-7 | | match details |
| 20.02.06 2nd round | vs. Daniel King-Turner | 4-6, 6-3, 7-64 | | match details |
| 20.02.06 1/4 | vs. Ti Chen | 6-4, 6-2 | | match details |
| Davis Cup - I. hard | ||||
| 13.02.06 Rubber 1 | vs. Karim Alayly | 6-2, 6-1, 6-2 | | match details |
| Australia F1 - Hard | ||||
| 13.02.06 1st round | vs. Scott Lipsky | 6-4, 3-6, 4-6 | | match details |
| Melbourne - Hard | ||||
| 12.01.06 q 1 | vs. Lars Burgsmuller | 1-6, 4-6 | | match details |
| Auckland - Hard | ||||
| 09.01.06 1st round | vs. Mario Ancic | 1-6, 2-6 | | match details |
| Caloundra - Hard | ||||
| 01.11.05 1st round | vs. Jan Masik | 4-6, 3-6 | | match details |
| Australia F8 - Hard | ||||
| 10.10.05 fin | vs. Robert Smeets | 5-7, 3-6 | | match details |
| 10.10.05 2nd round | vs. Myles Blake | 6-4, 6-1 | | match details |
| 10.10.05 1/4 | vs. Alun Jones | 6-1, 7-65 | | match details |
| 10.10.05 1/2 | vs. Ti Chen | 6-0, 6-2 | | match details |
| 10.10.05 1st round | vs. Jose Statham | 6-1, 6-0 | | match details |
| Australia F7 - Hard | ||||
| 03.10.05 2nd round | vs. Scott Doerner | 6-73, 4-6 | | match details |
| 03.10.05 1st round | vs. Myles Blake | 6-0, 6-3 | | match details |
| Davis Cup - I. hard | ||||
| 19.09.05 | vs. Hyung-Taik Lee | 2-6, 6-78, 3-6 | | match details |
| 19.09.05 Rubber 1 | vs. Kyu-Tae Im | 0-6, 4-6, 6-4, 6-0, 5-2, Kyu-Tae Im - retired | | match details |
| Japan F10 - Hard | ||||
| 05.09.05 1st round | vs. Hiroyasu Sato | 6-73, 7-5, 6-3 | | match details |
| 05.09.05 2nd round | vs. Dae-Dong Lee | 6-3, 6-0 | | match details |
| 05.09.05 1/2 | vs. David Martin | 7-63, 6-4 | | match details |
