Jonty Giesen
2024
| J100Christchurch | [4] | Semi |
| J200Sydney | 2R | |
| J60Goldcoast-2 | [5] | Quarter |
| J60Goldcoast | [5] | Win |
| J100Auckland | [7] | 3R |
| J60Wellington | [4] | Quarter |
| J60Christchurch | [2] | Quarter |
2023
| J100Christchurch | [10] | Semi |
| J30Auckland | [6] | Quarter |
| J30Northern | [3] | Semi |
| J60Goldcoast-2 | 2R | |
| J60Goldcoast | Quarter |
Nation
NZL
Year-end Junior World Ranking
- Year-end 2024 354th
- Year-end 2023 650th
- Year-end 2022 1033th
- Year-end 2021 2054th
Match Details
2024 J100Christchurch
| W | 2R | Suyash Makesar | 6-1 6-2 |
| W | 3R | Taiki Takizawa | 6-1 6-1 |
| W | QF | Elijah Dikkenberg | 6-4 6-1 |
| L | SF | Cruz Hewitt | 5-7 6-7 |
2024 J200Sydney
| W | 1R | Ymerali Ibraimi | 6-4 7-5 |
| L | 2R | Daniel Jovanovski | 3-6 1-6 |
2024 J60Goldcoast-2
| W | 1R | Oscar Andrews | 6-3 3-6 6-1 |
| W | 2R | Josh Hinton | 6-1 6-0 |
| L | QF | Rohan Hazratwala | 4-6 6-7 |
2024 J60Goldcoast
| W | 1R | Aryan Karnani | 6-3 6-4 |
| W | 2R | Aleksander Franko | 6-3 6-3 |
| W | QF | Cameron Burton | 6-3 6-2 |
| W | SF | Ymerali Ibraimi | 7-5 6-4 |
| W | F | Rohan Hazratwala | 7-5 6-7 11-9 |
2024 J100Auckland
| W | 2R | Abass Kenneh | 6-4 6-1 |
| L | 3R | Ashton Mcleod | 6-4 3-6 0-6 |
2024 J60Wellington
| W | 2R | Kanta Watanabe | 6-2 6-3 |
| W | 3R | Luca Connaughton | 6-7 6-4 7-5 |
| L | QF | Finley Dyer | 6-2 2-6 1-6 |
2024 J60Christchurch
| W | 2R | Ippei Matsushima | 6-0 6-1 |
| W | 3R | Kensuke Kobayashi | 6-1 6-4 |
| L | QF | Kanata Ozaki | 2-6 1-6 |
2023 J100Christchurch
| W | 2R | Felix Harrop | 6-3 6-4 |
| W | 3R | Alex Morris | 2-6 6-1 7-5 |
| W | QF | Duncan Mccall | 6-1 6-4 |
| L | SF | Lev Gorb | 4-6 3-6 |
2023 J30Auckland
| W | 2R | Liam Youn | 7-6 6-1 |
| W | 3R | Sam Wensley | - - - |
| L | QF | Lev Gorb | 5-7 6-1 4-6 |
2023 J30Northern
| W | 2R | Brian Donnelly | 6-1 6-1 |
| W | 3R | Anirudh Nallaparaju | 6-1 6-1 |
| W | QF | Nehal Naidoo | 6-1 7-5 |
| L | SF | Diego Quispe-Kim | 3-6 3-6 |
2023 J60Goldcoast-2
| W | 1R | Brendan Jayaprakash | 6-3 2-6 6-4 |
| L | 2R | Marcus Schoeman | 4-6 4-6 |
2023 J60Goldcoast
| W | 1R | Cameron Burton | 6-4 6-1 |
| W | 2R | Oliver King | 6-4 4-6 6-2 |
| L | QF | Zane Stevens | 1-6 6-4 6-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,189