Oïhan Guillamoundeguy
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France| Oïhan Guillamoundeguy | |
|---|---|
| Personal information | |
| Born | 19 November 2004 Soorts-Hossegor, France |
| Height | 180 cm (5 ft 11 in) |
| Sporting nationality | France |
| Career | |
| Turned professional | 2022 |
| Current tour | European Tour |
| Former tours | Challenge Tour Alps Tour |
| Professional wins | 3 |
| Number of wins by tour | |
| Challenge Tour | 1 |
| Other | 2 |
Oïhan Guillamoundeguy (born 19 November 2004) is a French professional golfer who plays on the European Tour. He won the 2025 Irish Challenge.[1]
Guillamoundeguy was born in Soorts-Hossegor and started playing golf when he was eight years old. His first victory in a professional event came on the Alps Tour, when he won the 2022 Red Sea Little Venice Open by eight shots, while just a 17-year old-amateur. He turned professional in late 2022, and secured a second victory at the 2023 Abruzzo Alps Open, which helped him finish 4th in the Order of Merit and graduate to the 2024 Challenge Tour.[2][3]
In his second season the Challenge Tour, he won the 2025 Irish Challenge, which helped him finish 5th in the season rankings and graduate to the European Tour for 2026.[4]
Amateur wins
- 2019 Grand Prix De Pau
- 2020 Grand Prix De Saint Donat, Grand Prix De Pau
Source:[5]
Professional wins (3)
Challenge Tour wins (1)
| No. | Date | Tournament | Winning score | Margin of victory | Runner-up |
|---|---|---|---|---|---|
| 1 | 10 Aug 2025 | Irish Challenge | −11 (71-67-69-70=277) | 3 strokes |  Ronan Kleu |
Alps Tour wins (1)
| No. | Date | Tournament | Winning score | Margin of victory | Runner-up |
|---|---|---|---|---|---|
| 1 | 27 Feb 2022 | Red Sea Little Venice Open (as an amateur) |
−24 (65-64-63=192) | 8 strokes |  Jorge Maicas |
| 2 | 29 Jul 2023 | Abruzzo Alps Open | −13 (65-66-66=197) | 1 stroke |  Davey Porsius |
Team appearances
Amateur
- European Young Masters (representing France): 2020
- European Boys' Team Championship (representing France): 2021, 2022
- Jacques Léglise Trophy (representing the Continent of Europe): 2021 (winners)
- European Nations Cup – Copa Sotogrande (representing France): 2022