[5] In 2017, Chua settled for bronze medal at the Southeast Asian Games held in Malaysia after falling behind Duong Quoc Hoang of Vietnam in the semifinals.

[6] In September of that year, Chua, with partner Warren Kiamco, brought home the bronze medal in the Asian Indoor and Martial Arts Games held in Ashgabat, Turkmenistan.

[9] In 2021, Chua won his first SEA games gold medal after beating compatriot Carlo Biado in the all-Filipino men's Nine-ball singles final, 9–6, at the Ha Dong District Sporting Hall in Hanoi Vietnam.

[12] In 2022, the trio of Johann Chua, Carlo Biado and Rubilen Amit emerged triumphant in the 2022 WPA World Teams Championship after sweeping Great Britain, 3–0, in the final in Klagenfurt, Austria.

With the win, they gave the Philippines its first World Team Ten-ball title after runner-up finishes in 2010 and 2014, the last time the tournament was held before it was revived in 2022.

[15] In 2024, Chua made his deepest run in the World Pool Championship, making it to the semifinals before losing 11–6 against Albania's Eklent Kaci.

[16] Also in 2024, Chua reached his first major matchroom final at the European Open Championship, but was defeated by Mickey Krause of Denmark by a score of 13–8 at Hotel Esperanto in Fulda, Germany.

[17] Chua's runner-up finish secures his spot as a second overall pick to represent team Asia in the inaugural Reyes Cup, which will be hosted in Manila, Philippines, from October 15 to 18, 2024.

Johann Chua, Carlo Biado, Aloysius Yapp, Duong Quoc Hoang, and Ko Pin Yi make up the team, which is coached by the tournament namesake and greatest of all time Efren Reyes.

Team Europe consists of Jayson Shaw, Eklent Kaci, Francisco Sanchez Ruiz, David Alcaide, and Mickey Krause.