Loh made a fast start to the second round match at the Bali International Convention Center, winning the opening game 21-7 in this BWF World Tour Super 1000 event.

Two-time world champion Momota responded in the second game, as he aimed to keep alive his hopes of back-to-back titles in Indonesia alive having won the Masters event last week.

The Japanese star secured the second game 21-17 and appeared on course for victory when he took a 13-8 lead in the decider.

Loh battled impressively to level the scores, before winning the final two points to clinch a 21-7, 17-21, 21-19 victory.

The Malaysian-born player advanced to the quarter-finals, where he is now due to face Hans-Kristian Vittinghus of Denmark.

Vittinghus came from a game down to beat Japan’s Kanta Tsuneyama 10-21, 21-18, 21-13.

Kenta Nishimoto is the final Japanese player remaining in the men’s singles draw, following his 18-21, 21-15, 21-11 win over fourth seed Chou Tien-chen of Chinese Taipei.

He is set to play Rasmus Genke in the quarter-finals, the Dane advancing after Indonesia’s Shesar Hiren Rhustavito retired after losing the opening game of their match 21-12.

Olympic champion Viktor Axelsen of Denmark progressed to the men’s singles quarter-finals after overcoming India’s Srikanth Kidambi 21-14, 21-18.

Axelsen is now scheduled to face further Indian opposition in the last eight, after India’s B. Sai Praneeth triumphed in three games 21-17, 14-21, 21-19 over France’s Christo Popov.

Tournament third seed Anders Antonsen battled back to beat Chinese Taipei’s Wang Tzu-wei 18-21, 21-13, 21-14.

The Dane will play Jonathan Christie in the next round, after his 21-11, 21-12 win in an all-Indonesian clash with Chico Aura Dwi Wardoyo.

The top seeds in the women’s singles competition enjoyed a successful second round.

Akane Yamaguchi was forced to battle for a quarter-final spot, but the Japanese top seed eventually overcame Singapore’s Yeo Jia Min 21-15, 19-21, 21-14.

Yamaguchi is now lined up to to face Thailand’s Pornpawee Cochuwong, who recorded a 11-21, 21-9, 22-20 comeback win over Indonesia’s Gregoria Mariska Tunjung.

Indonesian Masters champion An Se-young of South Korea remains on course for back-to-back titles at the venue.

An was a comfortable 21-8, 21-10 winner over France’s Leonice Huet to set up a meeting with Thailand’s Phittayaporn Chaiwan, who overcame Japan’s Sayaka Takanashi 21-19, 14-21, 21-14.

World champion Pursula V Sindhu overcame Germany’s Yvonne Li 21-18, 21-18 in her second round match.

The Indian player, the tournament third seed, is now due to play South Korea’s Sim Yu-jin.

Sim beat Spain’s Beatriz Corrales 21-13, 21-14.

Thailand’s Ratchanok Intanon and Japan’s Asuka Takanashi complete the quarter-final line-up.

Second seed Intanon was a 21-11, 21-16 winner against Chinese Taipei’s Pai Yu-po, while Takanashi beat Thailand’s Busanan Ongbamrungphan 21-7, 22-20.