- Born
- 1980-07-08 in Warsaw, Poland, Poland
- Hand
- Left
- Backhand
- nan
- Height
- 191 cm
- Weight
- 80 kg
- Turned Pro
- 2001
- Coach
- nan
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Mariusz Fyrstenberg
Mariusz Fyrstenberg has found the Tour difficult, recording 5–9 across 14 matches (35.7%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
By format — best-of-five: 2–4 (33.3%); best-of-three: 3–5 (37.5%). Slightly stronger in three-set contests, though the five-set record is still respectable.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 2013-02-01 | Davis Cup G1 R1: POL vs SLO | Hard | RR | 728 | - | 4-6 7-5 7-5 | ||
| 2012-04-06 | Davis Cup G2 R2: POL vs EST | Carpet | RR | 127 | - | 6-3 7-6(4) | ||
| 2007-07-20 | Davis Cup G2 R2: GRE vs POL | Clay | RR | 1539 | 845 | 6-2 6-4 | ||
| 2007-04-06 | Davis Cup G2 R1: NGR vs POL | Hard | RR | 1539 | 735 | 6-4 6-4 | ||
| 2006-07-21 | Davis Cup G2 R2: POL vs GEO | Clay | RR | 501 | 682 | 7-5 7-6(3) 7-6(6) | ||
| 2006-04-07 | Davis Cup G2 R1: POL vs LAT | Carpet | RR | 678 | 719 | 6-3 6-2 | ||
| 2005-09-12 | Bucharest | Clay | R32 | 128 | 836 | 6-4 6-4 | ||
| 2005-08-01 | Sopot | Clay | R32 | 29 | 1469 | 6-7(5) 6-3 7-5 | ||
| 2005-03-04 | Davis Cup G2 R1: ALG vs POL | Clay | RR | 451 | 1478 | 3-6 6-3 7-6(2) 6-4 | ||
| 2004-09-24 | Davis Cup G2 F: ITA vs POL | Clay | RR | 82 | 630 | 2-6 6-3 4-6 6-3 7-5 |