Wesley Koolhof
Wesley Koolhof is a Dutch tennis player playing on the ATP Tour. He is a doubles specialist who reached his career-high doubles ranking of world No. 12, achieved in November 2019. He is the son of the late international Dutch football player Jurrie Koolhof.
Significant finals
Masters 1000
Doubles: 3 (3 runners-up)
ATP career finals
Doubles: 19 (5 titles, 14 runners-up)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | 2016 Garanti Koza Sofia Open – Doubles| | Sofia Open, Bulgaria | 250 Series | Hard |  Matwé Middelkoop |  Philipp Oswald Adil Shamasdin | 5–7, 7–6, |
| Win | 2–0 | 2016 Generali Open Kitzbühel – Doubles| | Austrian Open, Austria | 250 Series | Clay | Matwé Middelkoop | Dennis Novak Dominic Thiem | 2–6, 6–3, |
| Win | 3–0 | 2017 Apia International Sydney – Men's Doubles| | Sydney International, Australia | 250 Series | Hard | Matwé Middelkoop |  Jamie Murray Bruno Soares | 6–3, 7–5 |
| Loss | 3–1 | 2017 ABN AMRO World Tennis Tournament – Doubles| | Rotterdam Open, Netherlands | 500 Series | Hard | Matwé Middelkoop |  Ivan Dodig Marcel Granollers | 6–7, 3–6 |
| Loss | 3–2 | 2017 BB&T Atlanta Open – Doubles| | Atlanta Open, United States | 250 Series | Hard |  Artem Sitak |  Bob Bryan Mike Bryan | 3–6, 4–6 |
| Loss | 3–3 | 2017 Moselle Open – Doubles| | Moselle Open, France | 250 Series | Hard | Artem Sitak |  Julien Benneteau Édouard Roger-Vasselin | 5–7, 3–6 |
| Loss | 3–4 | 2018 New York Open – Doubles| | New York Open, United States | 250 Series | Hard | Artem Sitak |  Max Mirnyi Philipp Oswald | 4–6, 6–4, |
| Loss | 3–5 | 2018 Brasil Open – Doubles| | Brasil Open, Brazil | 250 Series | Clay | Artem Sitak |  Federico Delbonis Máximo González | 4–6, 2–6 |
| Loss | 3–6 | 2018 Estoril Open – Doubles| | Estoril Open, Portugal | 250 Series | Clay | Artem Sitak | Kyle Edmund Cameron Norrie | 4–6, 2–6 |
| Loss | 3–7 | 2018 Stockholm Open – Doubles| | Stockholm Open, Sweden | 250 Series | Hard | Marcus Daniell | Luke Bambridge Jonny O'Mara | 5–7, 6–7 |
| Win | 4–7 | 2019 Brisbane International – Men's Doubles| | Brisbane International, Australia | 250 Series | Hard | Marcus Daniell | Rajeev Ram Joe Salisbury | 6–4, 7–6 |
| Loss | 4–8 | 2019 Miami Open – Men's Doubles| | Miami Open, United States | Masters 1000 | Hard |  Stefanos Tsitsipas | Bob Bryan Mike Bryan | 5–7, 6–7 |
| Loss | 4–9 | 2019 Monte-Carlo Masters – Doubles| | Monte-Carlo Masters, Monaco | Masters 1000 | Clay | Robin Haase | Nikola Mektić Franko Škugor | 7–6, 6–7, |
| Loss | 4–10 | 2019 Hungarian Open – Doubles| | Hungarian Open, Hungary | 250 Series | Clay | Marcus Daniell | Ken Skupski Neal Skupski | 3–6, 4–6 |
| Loss | 4–11 | 2019 Rosmalen Grass Court Championships – Men's Doubles| | Rosmalen Championships, Netherlands | 250 Series | Grass | Marcus Daniell | Dominic Inglot Austin Krajicek | 4–6, 6–4, |
| Loss | 4–12 | 2019 Hamburg European Open – Doubles| | German Open, Germany | 500 Series | Clay | Robin Haase | Oliver Marach Jürgen Melzer | 2–6, 6–7 |
| Loss | 4–13 | 2019 Rogers Cup – Men's Doubles| | Canadian Open, Canada | Masters 1000 | Hard | Robin Haase | Marcel Granollers Horacio Zeballos | 5–7, 5–7 |
| Win | 5–13 | 2020 Qatar ExxonMobil Open – Doubles| | Qatar Open, Qatar | 250 Series | Hard |  Rohan Bopanna | Luke Bambridge Santiago González | 3–6, 6–2, |
| Loss | 5–14 | 2020 Open 13 – Doubles| | Open 13, France | 250 Series | Hard | Nikola Mektić | Nicolas Mahut Vasek Pospisil | 3–6, 4–6 |