# ITF M15 Bali tennis championship

> Live situation record from CLSTR: https://clstr.news/situations/itf-m15-bali-tennis-championship
> Updated: 2026-09-04T06:30:31.000Z. Sources: 5. Developments: 2.

Indonesian tennis players have seen progressive success during the ITF M-15 Amman Mineral Men's World Tennis Championship 2026 in Bali.

During the qualifying stages, Gunawan Trismuwantara secured a place in the main draw by defeating Haruto Ishikawa in a super tie-break. Additionally, 17-year-old Ethan David Zapp advanced toward the main draw following a victory over Dewana Gustaman.

As the tournament progressed into the main draw, Nathan Barki reached the quarterfinals in the men's singles category after Anthony Susanto retired due to a right arm injury. In the men's doubles category, the unseeded Indonesian pair of Rafalentino Ali Da Costa and Ethan David Zapp advanced to the final after defeating the fourth-seeded team of Sebastian Grundtvic Jorgensen and Ryotaro Taguchi.

## Timeline

### 2026-09-04: Indonesian players advance in ITF M15 Bali tennis championship

Indonesian tennis players Nathan Barki and the doubles duo Rafalentino Ali Da Costa/Ethan David Zapp advanced in the ITF M15 Bali tournament.

3 sources. https://clstr.news/cluster/indonesian-players-advance-in-itf-m15-bali-tennis-championship

### 2026-08-31: Gunawan Trismuwantara qualifies for M-15 Bali main draw

Indonesian tennis player Gunawan Trismuwantara and Ethan David Zapp have advanced through the qualifying rounds of the M-15 Amman Mineral Men's World Tennis Championship 2026 in Bali.

2 sources. https://clstr.news/cluster/gunawan-trismuwantara-qualifies-for-m-15-bali-main-draw

---
Cite as: ITF M15 Bali tennis championship. CLSTR, https://clstr.news/situations/itf-m15-bali-tennis-championship