Match log updated: 2026-05-28 18:14 UTC

Mark Nielsen — ATP Match Log

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1 main-draw matches · 0–1 · 0.0% wins

Opponent	Score	Result	H2H	Match Data	Date ↓	Round	Tournament	Category	Surface
Lars Burgsmuller #143	1-6 4-6	L	H2H	Match data	Jan 16, 2006	Q1 Q	Australian Open	Grand Slam	Hard
Mario Ancic #21	1-6 2-6	L	H2H	Match data	Jan 12, 2006*	R32	ASB Classic	ATP International Series → modern equivalent ATP 250	Hard

1 qualifying match shown in the table; qualifying is excluded from main-draw summaries and leaderboards. Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.