H2H data updated: 2026-07-14 14:15 UTC
Marcelo Rios vs M. Nielsen H2H: 1-0
Marcelo Rios holds a 1–0 lead over M. Nielsen in their ATP head-to-head. Across 1 main-draw meeting, Marcelo Rios leads 1–0 on hard courts. Most recently, Marcelo Rios won the 1998 Auckland fourth round 7-5 6-1.
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CHI
Age 50
Left-Handed
175 cm / 5'9"
H2H
1
–
0
1 main draw meetings
NZL
Age 48
Right-Handed
185 cm / 6'1"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jan 16, 1998* | Auckland | ATP 250 | R16 | Hard | Marcelo Rios | 7-5 6-1 | M. Nielsen | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marcelo Rios | #994 | #1 | 3,719 | 2,137 | 366 | 179 | 67.2% | 0 | 5 | 1 | 0 | 12 | 18 |
| M. Nielsen | #1,519 | #172 | 211 | 1,524 | 2 | 8 | 20.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Marcelo Rios | M. Nielsen | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1994 | 12–11 | 52.2% | #107 | 1,615 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1995 | 38–20 | 65.5% | #25 | 1,769 | 0 | 3 | — | — | — | — | — | — | — |
| 20 | 1996 | 52–25 | 67.5% | #11 | 1,835 | 0 | 4 | 1998 | 1–1 | 50.0% | #339 | 1,520 | 0 | 0 |
| 21 | 1997 | 54–26 | 67.5% | #10 | 1,868 | 0 | 5 | — | — | — | — | — | — | — |
| 22 | 1998 | 66–18 | 78.6% | #2 | 1,948 | 0 | 12 | 2000 | 0–1 | 0.0% | #262 | 1,457 | 0 | 0 |
| 23 | 1999 | 45–16 | 73.8% | #9 | 1,916 | 0 | 15 | 2001 | 0–1 | 0.0% | #457 | 1,437 | 0 | 0 |
| 24 | 2000 | 28–19 | 59.6% | #37 | 1,813 | 0 | 16 | 2002 | 1–1 | 50.0% | #302 | 1,457 | 0 | 0 |
| 25 | 2001 | 28–19 | 59.6% | #39 | 1,836 | 0 | 18 | 2003 | 0–1 | 0.0% | #549 | 1,451 | 0 | 0 |
| 26 | 2002 | 31–19 | 62.0% | #24 | 1,820 | 0 | 18 | 2004 | 0–1 | 0.0% | #618 | 1,446 | 0 | 0 |
| 27 | 2003 | 12–6 | 66.7% | #105 | 1,809 | 0 | 18 | 2005 | 0–1 | 0.0% | #311 | 1,436 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 2006 | 0–1 | 0.0% | #890 | 1,418 | 0 | 0 |