2018 was somewhat of a breakout year for Jha, as he defeated several notable top players including Wong Chun Ting, Quadri Aruna, An Jaehyun, and Lin Yun-Ju.

In the 2019 World Team Cup, Jha defeated Anton Källberg and Kristian Karlsson to lead the US past Sweden out of the group stage.

[5] After the pandemic, Jha played in the 2020 World Cup, in which he lost in seven games to Liam Pitchford and deuce in the seventh to Chuang Chih-yuan, his favorite player growing up.

He spent a large amount of his final days training in the United States with his Olympic teammate at the new 888 Table Tennis Center, a club for which he is an ambassador.

He showed the resilience of a true champion, by first bringing the match to 3–3 and then scoring the last two points of the final game, winning 11–9.