Sergej Zivkovic
2024
| J30 PAOLA | [8] | Win |
| J60 MARSA | [12] | Quarter |
| J100 TRNAVA | Quarter | |
| J30 BANJALUKA | [6] | Semi |
| J60 SIROKIBRIJEG | 1R |
2023
| J100 MOSTAR | 1R | |
| J30 MOSTAR | [6] | Quarter |
| J100 CONSTANTA | 1R | |
| J30 ZLATIBOR | [7] | 3R |
| J30 NIS | [12] | 2R |
| J30 SUBOTICA | [11] | 3R |
| J60 MARSA | 2R | |
| J30 PAOLA | [14] | Semi |
| J100 LIMASSOL | 3R | |
| J60 LARNACA | 2R | |
| J30 OBERPULLENDORF | Quarter | |
| J60 BELGRADE | 1R |
2022
Nation
SRB
Year-end Junior World Ranking
- Year-end 2024 1023th
- Year-end 2023 1597th
- Year-end 2022 2782th
Match Details
2024 J30 PAOLA
| W | 2R | Nikodije Trivunac | 6-4 6-2 |
| W | 3R | Lorenzo De Vizia | 6-1 6-0 |
| W | QF | Mattia Cappellari | 6-4 6-0 |
| W | SF | Giovanni Conigliaro | 6-4 6-3 |
| W | F | Jules Alias | 6-3 6-3 |
2024 J60 MARSA
| W | 1R | Christian Pizzolante | 6-1 7-5 |
| W | 2R | Antonino Trinceri | 6-3 6-1 |
| W | 3R | Joseph Mazingham | 6-0 6-3 |
| L | QF | Yannic Nittmann | 4-6 6-7 |
2024 J100 TRNAVA
| W | 1R | Jonas Kucera | 6-2 6-0 |
| W | 2R | Filip Poklemba | 7-5 6-1 |
| L | QF | Radek Chodora | 6-7 4-6 |
2024 J30 BANJALUKA
| W | 1R | Marc Vucic | 6-4 6-4 |
| W | 2R | Aleksa Petkovic | 2-0 |
| W | QF | Mateja Stefanovic | 6-0 3-6 6-4 |
| L | SF | Jan Smrcka | 1-6 4-6 |
2024 J60 SIROKIBRIJEG
| L | 1R | Ivan Biletic | 1-6 0-6 |
2023 J100 MOSTAR
| L | 1R | Nathan Trouve | 1-6 6-2 3-6 |
2023 J30 MOSTAR
| W | 1R | Andrey Dvortsov | 6-4 6-2 |
| W | 2R | Vilim Karacic | 6-0 6-3 |
| L | QF | Ivan Biletic | 2-6 2-6 |
2023 J100 CONSTANTA
| L | 1R | Cezar Gabriel Papoe | 0-6 2-6 |
2023 J30 ZLATIBOR
| W | 2R | Oliver Kocanovic | 6-1 6-0 |
| L | 3R | Jovan Matovic | 5-7 5-7 |
2023 J30 NIS
| W | 1R | Nicolas Mchedlishvili | 6-2 6-0 |
| L | 2R | Dimitar Kisimov | 6-7 1-6 |
2023 J30 SUBOTICA
| W | 1R | Emanuel Ivkic | 6-2 6-2 |
| W | 2R | Akos Janos Toth | 6-1 6-3 |
| L | 3R | Aleksa Oparnica | 6-7 4-6 |
2023 J60 MARSA
| W | 1R | Patrik Hinz | 4-0 4-0 |
| L | 2R | Timothee Lustig | 6-2 4-6 3-6 |
2023 J30 PAOLA
| W | 2R | Valdemar Dubin | 6-2 6-0 |
| W | 3R | Mashari Nawaf | 4-6 6-3 7-5 |
| W | QF | Joao Teixeira | 6-3 6-4 |
| L | SF | Victor Ryden | 6-4 2-6 3-6 |
2023 J100 LIMASSOL
| W | 1R | Nikita Sclearenco | 6-1 6-3 |
| W | 2R | Amit Shahar | 6-4 6-1 |
| L | 3R | Stefan Vedovelli | 3-6 6-4 0-6 |
2023 J60 LARNACA
| W | 1R | Ilya Maltsev | 6-7 6-0 6-1 |
| L | 2R | Tudor Batin | 2-6 2-6 |
2023 J30 OBERPULLENDORF
| W | 1R | Leo Gutjahr | 6-3 6-3 |
| W | 2R | Thilo Behrmann | 6-2 6-1 |
| L | QF | Lovro Maricic | 3-6 0-6 |
2023 J60 BELGRADE
| L | 1R | Leonardo Iemmi | 7-5 4-6 4-6 |
2022 J4 BAKU-2
| W | 1R | Ivan Vladimirov | 6-1 6-2 |
| L | 2R | Tamerlan Azizov | 2-6 3-6 |
2022 J4 LESZNO-2
| L | 1R | Leon Zaorski | 1-6 2-6 |
2022 J4 MARIBOR-2
| L | 1R | Azbe Jarc | 6-7 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9942, Number of registered players: 6,164, Number of registered results: 343,780