| 2017 | Blancpain GT Asia Series | GT4 Team 1st Runner Up |
| 2017 – present | Porsche | Porsche GT Spare Parts Support |
| 2016 – present | Porsche Carrera Cup Asia | Gearbox Service Provider |
| 2003 – present | Porsche Carrera Cup Asia | Technical Service Provider |
| 2011 | GT3 Asia | – |
| 2009 | GT3 Asia | Champion |
| 2008 | Honda Racing Team Malaysia (Merdeka Millennium Endurance Race) | Technical Consultant |
| 2007 | Honda Racing Team Malaysia (Merdeka Millennium Endurance Race) | Technical Consultant |
| 2002 – 2004 | Japan GT Championship | – |
| 2001 | Porsche Asian Challenge Series | Champion |
| 2001 | Suzuka 1000km Endurance Race | – |
| 2000 | Porsche Asian Challenge Series | Champion |
| 2000 | Asian Touring Car Championship | Runner-Up |
| 1999 | Porsche Asian Challenge Series | Champion |
| 1999 | Southeast Asian Touring Car Championship | Driver’s Champion |
| Runner-up (2nd driver) | ||
| Manufacturer’s Champion | ||
| Team Champion | ||
| 1998 | Southeast Asian Touring Car Championship | Driver’s Champion |
| Manufacturer’s Champion | ||
| Team Champion | ||
| 1997 | Southeast Asian Touring Car Championship | Driver’s Champion |
| Manufacturer’s Champion | ||
| Team Champion | ||
| 1996 | Southeast Asian Touring Car Championship | Runner-up |
| 1995 | Southeast Asian Touring Car Championship | Runner-up |
| 1994 | Southeast Asian Touring Car Championship | Champion |
| 1993 | Southeast Asian Touring Car Championship | Champion |
2011 – GT3 Asia, with drivers Shim Ching and Christian Chia
2010 – Merdeka Millenium Endurance 12 Hour Race, with drivers Siu Yuk Lung, Keita Sawa and Mak Hing Tak
2009 – GT3 Asia. Car: Porsche GT3 Cup S with Championship winner Tunku Hammam
2001 – Japan GT Championship with Team Amprex Motorsports, Sepang Round.
Car: Mazda RX-7 (GT300) with drivers Genji Hashimoto and Charles Kwan
2000 – Suzuka 1000KM Endurance Race. Car: Mazda RX-7 (GT300) with drivers Genji Hashimoto and Charles Kwan
1999 – Asian Touring Car Championship (ATCC).
Car: BMW 320i Super Production with drivers Charles Kwan and Paul Chan
1998 – Porsche Club HK Championship. Car: Porsche 911 GT2 (993)
1998 – Malaysia Super Car Series. Car BMW M3 DTM with driver Genji Hashimoto
1997 – Macau Grand Prix. Car BMW 320i Super Touring
1997 – SEATCZC. Car BMW 320i Super Touring with drivers Charles Kwan and Paul Chan
1995 – SEATCZC. Car BMW M3 2.5 Group A
1994 – Porsche Club HK Championship
1994 – South East Asia Touring Car Zone Challenge (SEATCZC). Car: BMW M3 DTM
1994 – SEA Touring Car Championship Round 6 @ Sentul, Jakarta, Indonesia. With Three Crowns Shell Racing Team
1994 – Macau Grand Prix Guia Race. Car: BMW 320i Super Touring with driver Charles Kwan
1992 – Macau Grand Prix. Car BMW M3 DTM with Team Schnitzer
1992 – Macau Grand Prix. Car: BMW M3 Group A with driver Charles Kwan