Justin Barki
Justin Barki is an Indonesian tennis player.
Barki has a career high ATP singles ranking of 1308 achieved on 19 June 2017 and a career high ATP doubles ranking of 403, achieved on 11 December 2017. Barki has won 5 ITF Futures doubles titles.
Barki has represented Indonesia at the Davis Cup.
Titles and finals
Tour doubles titles – all levels (6-2)
| Outcome | # | Date | Tournament | Surface | Partner | Opponent | Score |
| Winner | 1. | 14 December 2016 | Jakarta, Indonesia F6 | Hard |  Christopher Rungkat |  Karol Drzewiecki Maciej Smoła | 6–4, 6–4 |
| Winner | 2. | 21 February 2017 | Jakarta, Indonesia F3 | Hard | Christopher Rungkat |  Sho Katayama Sho Shimabukuro | 6–3, 6–2 |
| Winner | 3. | 27 March 2017 | Jakarta, Indonesia F4 | Hard | Christopher Rungkat |  Pirmin Haenle Karunuday Singh | 6–3, 7–6 |
| Runner-up | 1. | 11 April 2017 | Jakarta, Indonesia F6 | Hard | Christopher Rungkat | Soichiro Moritani Kento Takeuchi | 4–6, 6–3, |
| Winner | 4. | 26 November 2017 | Jakarta, Indonesia F7 | Hard | Christopher Rungkat | Shintaro Imai Renta Tokuda | 6–3, 1–6, |
| Winner | 5. | 26 November 2017 | Jakarta, Indonesia F8 | Hard | Vijay Sundar Prashanth | Sora Fukuda Scott Puodziunas | 4–6, 7–6, |
| Runner-up | 2. | 29 July 2018 | Jakarta, Indonesia F1 | Hard | Christopher Rungkat | Michael Look Matthew Romios | 6-7, 6-7 |
| Winner | 6. | 11 August 2018 | Jakarta, Indonesia F3 | Hard | Christopher Rungkat |  Francis Alcantara Kaito Uesugi | 6-3, 6-2 |