Zachariah Josiahno Sumanti

Zachariah Josiahno Sumanti (born 24 September 1997) is an Indonesian badminton player.

Career
In 2018, Sumanti lost in the quarter-finals of the 2018 Bangka Belitung Indonesia Masters partnering with Angelica Wiratama.

In 2019, Sumanti won the mixed doubles title at the Indonesia International partnering with Hediana Julimarbela.

In 2021, Sumanti and Julimarbela lost in the semi-finals of the Orléans Masters.

In 2022, Sumanti and Julimarbela won their second title in the Italian International. In August, they played in the World Championships but lost in the second round from 15th seeds Robin Tabeling and Selena Piek from the Netherlands. In September, they reached the Vietnam Open semifinals, but lost to fellow Indonesian pair Dejan Ferdinansyah and Gloria Emanuelle Widjaja. Played at the Denmark Open in October, he and his partner were defeated in the first round to top seeds Dechapol Puavaranukroh and Sapsiree Taerattanachai.

2023
Sumanti with his partner Julimarbela started the 2023 season with unsatisfactory results, where they lost in the early rounds of Asian Tour in the tournament Malaysia Open, India Open, and Indonesia Masters. The duo then reached the quarter-finals in the Thailand Masters, but was beaten by Korean pair Kim Won-ho and Jeong Na-eun. The poor performance of Sumanti and Julimarbela then continued on to the Europe tour, where they were not able to go far, losing in the second round in the All England Open, and first round at the Swiss Open, Spain Masters, and the Orléans Masters.

In May, Sumanti competed at the 2023 SEA Games in Cambodia. He became a member of the Indonesia men's team that won the gold medal. In the individual mixed doubles event, Sumanti who carried the second seed status with his partner Julimarbela, was eliminated in the first round from Thai pair Pakkapon Teeraratsakul and Phataimas Muenwong. Sumanti and Julimarbela continued with unsatisfactory results, where they lost in the first rounds of second Asian Tour in the tournament Malaysia Masters, and Thailand Open.

In June, Sumanti and Julimarbela competed at the home tournament, Indonesia Open, but lost in the first round from 3rd seed Thai player Dechapol Puavaranukroh and Sapsiree Taerattanachai.

In September, Sumanti and Julimarbela as the 1st seed lost at the first round of Indonesia Masters Super 100 I from Thai pair Pakkapon Teeraratsakul and Phataimas Muenwong.

BWF International Challenge/Series (2 titles)
Mixed doubles
 * BWF International Challenge tournament
 * BWF International Series tournament
 * BWF Future Series tournament

National team

 * Senior level