Sascha Gueymard Wayenburg
2021
| Us Open Junior | [11] | Semi |
| Thejuniorchampionships | Semi | |
| Wimbledon Junior | Semi | |
| J1Roehampton | 3R | |
| Roland Garros Junior | 3R | |
| J2Hannover | [7] | 1R |
| J2Tribuswinkel | [8] | 1R |
| J2Oberpullendorf | 1R | |
| J1Villena | [14] | 2R |
| J2Benicarlo | [7] | 1R |
| J2Valencia | [4] | 1R |
| J2Siauliai | [6] | Semi |
| J3Manacor | [4] | 2R |
| J1Svyatopetrivskevillage | [4] | 1R |
Nation
FRA
Age
21 years old (born in 2003)
World Ranking
ATP Ranking　249th
Year-end Junior World Ranking
- Year-end 2019 406th
Rival
Viacheslav Bielinskyi (3-0)
Samir Banerjee (0-2)
Bruno Kuzuhara (2-0)
Adolfo Daniel Vallejo (2-0)
Edas Butvilas (1-1)
Match Details
2021 Us Open Junior
| W | 2R | Ryan Colby | 7-6 3-6 6-3 |
| W | 3R | Viacheslav Bielinskyi | 7-5 7-6 |
| W | QF | Petr Nesterov | 0-6 6-4 6-4 |
| L | SF | Juncheng Shang | 4-6 4-6 |
2021 Thejuniorchampionships
| W | 1R | Hamad Medjedovic | 2-6 6-2 6-4 |
| W | 2R | Viacheslav Bielinskyi | 7-5 3-6 6-2 |
| W | 3R | Adolfo Daniel Vallejo | 7-5 7-5 |
| W | QF | Bruno Kuzuhara | 6-7 6-4 6-2 |
| L | SF | Samir Banerjee | 6-7 6-4 2-6 |
2021 Wimbledon Junior
| W | 1R | Hamad Medjedovic | 2-6 6-2 6-4 |
| W | 2R | Viacheslav Bielinskyi | 7-5 3-6 6-2 |
| W | 3R | Adolfo Daniel Vallejo | 7-5 7-5 |
| W | QF | Bruno Kuzuhara | 6-7 6-4 6-2 |
| L | SF | Samir Banerjee | 6-7 6-4 2-6 |
2021 J1Roehampton
| W | 1R | Lui Maxted | 6-4 6-3 |
| W | 2R | Dali Blanch | 6-4 6-3 |
| L | 3R | Jack Pinnington Jones | 4-6 5-7 |
2021 Roland Garros Junior
| W | 1R | Igor Kudriashov | 3-6 6-3 7-5 |
| W | 2R | Pierre Yves Bailly | 2-6 6-2 6-4 |
| L | 3R | Daniel Merida Aguilar | 6-3 2-6 3-6 |
2021 J2Hannover
| L | 1R | Edas Butvilas | 6-2 1-6 4-6 |
2021 J2Tribuswinkel
| L | 1R | Vojtech Petr | 3-6 5-7 |
2021 J2Oberpullendorf
| L | 1R | Henrique Rocha | 3-6 6-2 6-7 |
2021 J1Villena
| L | 2R | Daniel Merida | 6-7 6-4 2-6 |
2021 J2Benicarlo
| L | 1R | Artem Podorozhnyi | 3-6 6-2 4-6 |
2021 J2Valencia
| L | 1R | Artur Kukasian | 4-6 6-7 |
2021 J2Siauliai
| W | 1R | Daniele Minighini | 6-7 6-3 7-6 |
| W | 2R | Daniel Merida | 6-3 6-1 |
| W | QF | Edas Butvilas | 6-1 7-5 |
| L | SF | Adam Jurajda | 4-6 6-7 |
2021 J3Manacor
| W | 1R | Lennon Roark Jones | 4-6 6-4 6-2 |
| L | 2R | Alejandro Manzanera Pertusa | 5-7 4-6 |
2021 J1Svyatopetrivskevillage
| L | 1R | Daniil Ostapenkov | 3-6 6-4 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630