I think soon we will call it A4 
among the three leagues, A-league has the best record against K-League, that's interesting as K-League used to have a better record against J-League & CSL. while A-League do not have much advantage against the J & C.
K-League W1 D3 L4 A-League
2007 Seongnam Ilhwa Chunma 2 - 2 Adelaide United Adelaide, Australia
2007 Seongnam Ilhwa Chunma 1 - 0 Adelaide United Seongnam, South Korea
2008 Chunnam Dragons 0 - 2 Melbourne Victory Melbourne, Australia
2008 Chunnam Dragons 1 - 1 Melbourne Victory Gwangyang, South Korea
2008 Pohang Steelers 0 - 2 Adelaide United Pohang, South Korea
2008 Pohang Steelers 0 - 1 Adelaide United Adelaide, Australia
2009 Pohang Steelers 0 - 0 Central Coast Mariners Gosford, Australia
2009 Ulsan Hyundai Horang-i 0 - 2 Newcastle United Jets Newcastle, Australia
the results between CSL & A-League clubs are very close, so far the two leagues communicate with each other better compare with the K & J, both in club cooperate and player transfer.
CSL W2 D5 L1 A-League
2007 Shandong Luneng 1 0 Adelaide United Adelaide, Australia
2007 Shandong Luneng 2 2 Adelaide United Jinan, China
2007 Shanghai Shenhua 1 2 Sydney FC Shanghai, China
2007 Shangahi Shenhua 0 0 Sydney FC Sydney, Australia
2008 Changchun Yatai 0 0 Adelaide United Adelaide, Australia
2008 Changchun Yatai 0 0 Adelaide United Changchun, China
2009 Beijing Guo'an 2 0 Newcastle United Jets Beijing, China
2009 Tianjin Teda 2 2 Central Coast Mariners Tianjin, China
I think the style of J-League clubs is a little difficult for A-League clubs to play against, we've seen J-League is the only league stands at a dominant position against A-League
J-League W5 D4 L1 A-League
2007 Urawa Diamonds 2-2 Sydney FC Sydney, Australia
2007 Urawa Diamonds 0-0 Sydney FC Saitama, Japan
2008 Gamba Osaka 4-3 Melbourne Victory Melbourne, Australia
2008 Gamba Osaka 2-0 Melbourne Victory Suita, Japan
2008 Kashima Antlers 1-1 Adelaide United FC Kashima, Japan
2008 Kashima Antlers 0-1 Adelaide United FC Adelaide, Australia
2008 Gamba Osaka 3-0 Adelaide United Suita, Japan
2008 Gamba Osaka 2-0 Adelaide United Adelaide, Australia
2009 Nagoya Grampus 1-1 Newcastle United Jets Nagoya, Japan
2009 Central Coast Mariners 0-5 Kawasaki Frontale Gosford, Australia
in east asian the rivals between A3 is always a interesting topic, and the history results had been very close, maybe one day we'll ween A-League rivals the 3 on and off the fields.
the head to head results of A3 Leagues in Asian competitions are
CSL W19 D12 L20 J-League
K-League W21 D8 L14 CSL
K-League W23 D14 L18 J-League
among the three leagues, A-league has the best record against K-League, that's interesting as K-League used to have a better record against J-League & CSL. while A-League do not have much advantage against the J & C.
K-League W1 D3 L4 A-League
2007 Seongnam Ilhwa Chunma 2 - 2 Adelaide United Adelaide, Australia
2007 Seongnam Ilhwa Chunma 1 - 0 Adelaide United Seongnam, South Korea
2008 Chunnam Dragons 0 - 2 Melbourne Victory Melbourne, Australia
2008 Chunnam Dragons 1 - 1 Melbourne Victory Gwangyang, South Korea
2008 Pohang Steelers 0 - 2 Adelaide United Pohang, South Korea
2008 Pohang Steelers 0 - 1 Adelaide United Adelaide, Australia
2009 Pohang Steelers 0 - 0 Central Coast Mariners Gosford, Australia
2009 Ulsan Hyundai Horang-i 0 - 2 Newcastle United Jets Newcastle, Australia
the results between CSL & A-League clubs are very close, so far the two leagues communicate with each other better compare with the K & J, both in club cooperate and player transfer.
CSL W2 D5 L1 A-League
2007 Shandong Luneng 1 0 Adelaide United Adelaide, Australia
2007 Shandong Luneng 2 2 Adelaide United Jinan, China
2007 Shanghai Shenhua 1 2 Sydney FC Shanghai, China
2007 Shangahi Shenhua 0 0 Sydney FC Sydney, Australia
2008 Changchun Yatai 0 0 Adelaide United Adelaide, Australia
2008 Changchun Yatai 0 0 Adelaide United Changchun, China
2009 Beijing Guo'an 2 0 Newcastle United Jets Beijing, China
2009 Tianjin Teda 2 2 Central Coast Mariners Tianjin, China
I think the style of J-League clubs is a little difficult for A-League clubs to play against, we've seen J-League is the only league stands at a dominant position against A-League
J-League W5 D4 L1 A-League
2007 Urawa Diamonds 2-2 Sydney FC Sydney, Australia
2007 Urawa Diamonds 0-0 Sydney FC Saitama, Japan
2008 Gamba Osaka 4-3 Melbourne Victory Melbourne, Australia
2008 Gamba Osaka 2-0 Melbourne Victory Suita, Japan
2008 Kashima Antlers 1-1 Adelaide United FC Kashima, Japan
2008 Kashima Antlers 0-1 Adelaide United FC Adelaide, Australia
2008 Gamba Osaka 3-0 Adelaide United Suita, Japan
2008 Gamba Osaka 2-0 Adelaide United Adelaide, Australia
2009 Nagoya Grampus 1-1 Newcastle United Jets Nagoya, Japan
2009 Central Coast Mariners 0-5 Kawasaki Frontale Gosford, Australia
in east asian the rivals between A3 is always a interesting topic, and the history results had been very close, maybe one day we'll ween A-League rivals the 3 on and off the fields.
the head to head results of A3 Leagues in Asian competitions are
CSL W19 D12 L20 J-League
K-League W21 D8 L14 CSL
K-League W23 D14 L18 J-League
