Naoki Tajima
Age
24 years old (born in 2000)
World Ranking
ATP Ranking　1451th
Year-end Junior World Ranking
- Year-end 2018 17th
Match Details
2018 Us Open Junior
| L | 1R | Jonas Forejtek | 1-6 3-6 |
2018 Wimbledon Junior
| L | 1R | Trey Hilderbrand | 7-6 6-7 1-6 |
2018 Roland Garros Junior
| W | 1R | Marko Miladinovic | 7-5 3-6 6-4 |
| L | 2R | Sebastian Baez | 6-3 2-6 2-6 |
2018 Australian Open Junior
| L | 1R | Wojciech Marek | 3-6 4-6 |
2017 Us Open Junior
| W | 1R | Michael Vrbensky | 5-7 6-4 6-2 |
| W | 2R | Hugo Gaston | 6-1 2-6 7-6 |
| W | 3R | Menelaos Efstathiou | 6-0 6-7 6-3 |
| L | QF | Axel Geller | 3-6 7-6 4-6 |
2017 Wimbledon Junior
| W | 1R | Max Stewart | 6-4 6-4 |
| W | 2R | Timofei Skatov | 7-6 6-3 |
| L | 3R | Axel Geller | 3-6 6-3 1-6 |
2017 Roland Garros Junior
| W | 1R | Louis Dussin | 6-2 6-2 |
| L | 2R | Nicola Kuhn | 7-6 2-6 4-6 |
2017 Australian Open Junior
| L | 1R | Federico Iannaccone | 6-0 5-7 2-6 |
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