Guy den Ouden (born 8 April 2002) is a Dutch professional tennis player. He has a career-high singles ranking of world No. 147 achieved on 8 September 2025 and a doubles ranking of No. 540 achieved on 2 May 2022. He is currently the No. 4 player from the Netherlands.
In 2020 and 2021, den Ouden attended Pepperdine University in California.
Early life Guy den Ouden was born in Maarssen, in the middle of the Netherlands, in the province of Utrecht. He is the son of Arnoud and Anne Den Ouden, who were both keen tennis players. He played football at VV Maarssen before concentrating on tennis. He trained at the National Tennis Center with senior pros such as Botic van de Zandschulp, Robin Haase and Jesper de Jong and became Dutch champion at U16 and U18 level.
Career
2020-2022: Juniors, Pro Tour debuts As a junior, he reached the semifinals at the 2020 French Open – Boys' singles. He was the first Dutch person to have achieved this since Thiemo de Bakker in 2006. His run included a win over the second seed and 2020 Australian Open - Boys' singles finalist Arthur Cazaux.
In 2022, den Ouden won five ITF tournaments and his ranking climbed inside the top 500 for the first time, before being sidelined by injury. Upon his return he was chosen as a training partner for the Dutch Davis Cup team.
2023-2025: Maiden Challenger title, top 150 In June 2023, den Ouden won an ITF tournament in Aarhus, Denmark. The following month he was a finalist at a tournament in The Hague, Netherlands. In November 2023, den Ouden defeated Arthur Géa to win an ITF Futures hardcourt tournament in Heraklion.
In February 2024, he was given a wildcard into qualifying for the 2024 ABN AMRO Open in Rotterdam where he lost to alternate Pablo Llamas Ruiz. In September 2024, den Ouden won his maiden title at the 2024 Izida Cup II in Dobrich, Bulgaria, where he faced compatriot Jelle Sels, defeating him in straight sets. As a result, he made his top 300 debut on 16 September 2024.
Following his second final at the 2025 Rwanda Challenger II, a semifinal and a final at the ITF tournaments in Santa Margherita di Pula, den Ouden reached the top 250 in the rankings on 21 April 2025. Following another Challenger final at the 2025 Advantage Cars Prague Open, den Ouden reached the top 200 at No. 187 on 19 May 2025. He won his second title on the Challenger Tour in Porto in September 2025 and moved into the top 150 of the world rankings for the first time.
Performance timeline
Singles Tournament20252026SRW–LWin %Grand Slam tournamentsAustralian OpenAQ10 / 00–0French OpenQ10 / 00–0WimbledonQ10 / 00–0US OpenQ10 / 00–0Win–loss0–00–00 / 00–0ATP Masters 1000Indian Wells MastersA0 / 00–0Miami OpenA0 / 00–0Monte Carlo MastersA0 / 00–0Madrid OpenA0 / 00-0Italian OpenA0 / 00–0Canadian OpenA0 / 00–0Cincinnati MastersA0 / 00–0Shanghai MastersA0 / 00–0Paris MastersA0 / 00–0Win–loss0–00–00 / 00–0
ATP Challenger Tour finals
Singles: 7 (3 titles, 4 runner-ups) LegendATP Challenger Tour (3–4)Finals by surfaceHard (0–0)Clay (3–4)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Izida Cup II, BulgariaChallengerClay Jelle Sels6–2, 6–3Loss1–1Rwanda Challenger II, RwandaChallengerClay Valentin Royer2–6, 4–6Loss1–2Prague Open, Czech RepublicChallengerClay Filip Misolic4–6, 0–6Loss1–3Neckarcup, GermanyChallengerClay Ignacio Buse5–7, 5–7Loss1–4Platzmann Open, GermanyChallengerClay Yannick Hanfmann6–3, 2–6, 2–6Win2–4CT Porto Cup, PortugalChallengerClay Gilles-Arnaud Bailly6–4, 6–2Win3–4Dutch Open, NetherlandsChallengerClay Tom Gentzsch6–4, 4–6, 6–0
References
External links