Asia & Oceania Classic Championships 2016 (Christchurch, New Zealand)

Yap won his first Asian Champion title and brought home four gold medals for the individual categories in the Squat, Bench Press, Deadlift & Total.^[1] He also broke and set new Asian records in the Squat at 197 kg, the Bench Press at 123 kg and the Total at 530 kg in the Under 66 kg, Sub Junior (aged 14–18) category.

In this competition, he won the Best Lifter by Wilks in the Sub Junior category.

5th IPF World Classic Championships 2017 (Minsk, Belarus)

Yap obtained a silver medal at a cumulative total of 555 kg which made him #2 in the Under 66 kg, Sub Junior category in the world. He also broke his first ever World record in the Squat, setting it at 208 kg which also gave him a gold medal.^{[2][8][9][10][11][12][13]} He finished off with a 130 kg Bench Press which earned him the Bronze and a 212.5 kg Deadlift.

Asian Classic Championships 2017 (Kerala, India)

Yap successfully defended his Asian title which was won in 2016. He also broke three World records in two categories (Squat & Total) in the Men's Under 66 kg Sub Junior category.^[3][6][14] His first World record of the competition came from his second attempt of 208.5 kg in the Squat and his second World record coming from his third attempt of 215.5 kg which earned him the gold medal. He also ended off with a 135 kg Bench Press as well as a 237.5 kg Deadlift which broke and set a new Asian record. His third world record was breaking the 5-year long standing Total record by Eddie Burgland (SWE) and set it at 588 kg.

He finished the competition with three Gold medals and one Silver medal, defeating his rival Chebanov Dmitri (KAZ) who had defeated him by a huge margin in the World Classic Championships.

In this competition, he promised his late grandmother to retain his title in honour of her.^[15][16]

He also won the Best Lifter (2nd) by Wilks in the Sub Junior category.

Asian Classic Championships 2018 (Ulaanbataar, Mongolia)

Yap's hunt for his 3rd Asian title was successful and broke the Asian Squat record in the Men's Under 74 kg Junior (19-23) category.^[17][18][19] This was his first competition at a new age class and a higher weight class and ended off his competition with two Gold medals, one Silver medal and one Bronze medal. His final Squat attempt of 248 kg got him the gold medal as well as his first Asian record in this category, a bench press at 145 kg earned him a bronze medal and a deadlift at 265 kg earned him the silver medal.

In this competition, he won the Best Lifter (2nd) by Wilks in the Men's Junior category.

Asian Classic Championships 2019 (Almaty, Kazakhstan)

Yap competed in the Under 74kg Junior (19-23) category and retained his Asian title, becoming the four-time Asian champion. ^[7] He ended off with claiming Gold medals for all the categories, with a 245kg Squat, a 155kg Bench Press and a 275.5kg Deadlift which is also the Asian record.

He ended off with a cumulative Total of 675.5kg which broke and set a new Asian record as well.

In this competition, Yap won the Best Lifter (champion) by IPF Points in the Men's Junior category.

Yap's consolidated achievements

1. Singapore Powerlifting Open 2014 (Under 66 kg, Sub Junior) - Silver
2. Singapore Powerlifting Open 2015 (Under 66 kg, Sub Junior) - Silver
3. Singapore Powerlifting Open 2016 (Under 66 kg, Sub Junior) - Gold, Three national records in the Squat (190.5 kg), two national records in the Bench Press (111.5 kg), two national records in the Deadlift (205 kg), three national records in the Total/Overall (507 kg).
4. Asia & Oceania Classic Championships 2016 (Under 66 kg, Sub Junior),^[1] Gold in Squat (197 kg), Gold in the Bench Press (123 kg), Gold in the Deadlift, Gold in the Total/Overall (530 kg). National record and Asian record in the Squat, national record and Asian record in the Bench Press, national record in the Total/Overall.
5. Singapore Powerlifting Open 2017 (Under 74 kg, Sub Junior & Open) - Gold, Two national records in the Squat (204 kg), national record in the Bench Press (126.5 kg), national record in the Total/Overall (558 kg).
6. 5th IPF World Classic Championships 2017, Minsk Belarus (Under 66 kg, Sub Junior),^[8] Gold in the Squat (208 kg), Bronze in the Bench Press (130 kg), Silver in the Total/Overall (550 kg). National record, Asian record and World record in the Squat, two national records in the Bench Press, national record in the Deadlift, national record in the Total/Overall.
7. Asian Classic Championships 2017 (Under 66 kg, Sub Junior),^[3] Gold in the Squat (215.5 kg), Silver in the Bench Press (135 kg), Gold in the Deadlift (237.5 kg), Gold in the Total/Overall (588 kg). Two national, Asian and World records in the Squat, national record in the Bench Press, national record and Asian record in the Deadlift. National record, Asian record and World record in the Total/Overall.
8. Singapore Powerlifting Invitational 2018 (Under 74 kg, Junior), National record in the Squat (240.5 kg) and national record in the Total/Overall (630 kg).
9. Asian Classic Championships 2018 (Under 74 kg, Junior),^[4] Gold in the Squat (248 kg), Bronze in the Bench Press (150 kg), Silver in the Deadlift (265 kg), Gold in the Total/Overall (663 kg). National and Asian record in the Squat.
10. Asian Classic Championships 2019 (Under 74 kg, Junior),^[7] Gold in the Squat (245 kg), Gold in the Bench Press (155 kg), Gold in the Deadlift (275 kg), Gold in the Total/Overall (675.5 kg). Asian record in the Deadlift and Total.