Peter Nyborg
Peter Nyborg, is a former professional tennis player from Sweden. He enjoyed most of his tennis success while playing doubles. During his career he won 5 doubles titles. He achieved a career-high doubles ranking of world No. 38 in 1996.
Career finals
Doubles (5 titles, 6 runner-ups)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Winner | 1. | 1993 | Seoul, South Korea | Hard |  Jan Apell |  Neil Broad  Gary Muller | 5–7, 7–6, 6–2 |
| Runner-up | 1. | 1994 | Rosmalen, Netherlands | Grass |  Diego Nargiso |  Stephen Noteboom Fernon Wibier | 3–6, 6–1, 6–7 |
| Winner | 2. | 1995 | Copenhagen, Denmark | Carpet |  Mark Keil |  Guillaume Raoux  Greg Rusedski | 6–7, 6–4, 7–6 |
| Runner-up | 2. | 1995 | Basel, Switzerland | Hard | Mark Keil |  Cyril Suk Daniel Vacek | 6–3, 3–6, 3–6 |
| Runner-up | 3. | 1996 | Marseille, France | Hard |  Marius Barnard | Jean-Philippe Fleurian Guillaume Raoux | 3–6, 2–6 |
| Runner-up | 4. | 1996 | St. Petersburg, Russia | Carpet | Nicklas Kulti |  Yevgeny Kafelnikov Andrei Olhovskiy | 3–6, 4–6 |
| Runner-up | 5. | 1996 | Båstad, Sweden | Clay |  Joshua Eagle | David Ekerot Jeff Tarango | 4–6, 6–3, 4–6 |
| Winner | 3. | 1997 | Milan, Italy | Carpet |  Pablo Albano | David Adams Andrei Olhovskiy | 6–4, 7–6 |
| Runner-up | 6. | 1998 | Stockholm, Sweden | Hard | Chris Haggard | Nicklas Kulti Mikael Tillström | 5–7, 6–3, 5–7 |
| Winner | 4. | 1999 | Kitzbühel, Austria | Clay | Chris Haggard |  Álex Calatrava  Dušan Vemić | 6–3, 6–7, 7–6 |
| Winner | 5. | 2002 | Bucharest, Romania | Clay |  Jens Knippschild | Emilio Benfele Álvarez Andrés Schneiter | 6–3, 6–3 |