Nash has participated in major tournaments all over the world and has achieved some outstanding results:

ITF 2011 ASIA OPEN SENIOR TENNIS CHAMPIONSHIP, PATTAYA, THAILAND. OCT 31-NOV 6
MEN SINGLES WINNER (CHAMPION),
MEN DOUBLES RUNNER UP (+60).

2010 ITF ASIAN SENIORS OPEN TENNIS CHAMPIONSHIP NOV 15-21, PATTAYA, THAILAND

MEN SINGLE FINALIST, MEN DOUBLES FINALIST (55+)

2008 ITF ASIAN SENIOR OPEN TENNIS CHAMPIONSHIP,
MUANGTHONG THANI (BANGKOK), THAILAND 17 NOV-23 NOV. MENS SINGLE CHAMPION (55+), MENS DOUBLES FINALIST.

2006 ITF ASIAN OPEN VETERAN TENNIS CHAMPIONSHIP
PATTAYA, THAILAND. MENS SINGLE CHAMPION (55+)

2005 ITF ASIAN OPEN VETERAN TENNIS CHAMPIONSHIP
MEN DOUBLES CHAMPION, SINGLES FINALIST, (50+).

2004 ITF Asian Open Veterans Tennis Championship sponsored by Volkl, Pattaya, Thailand, singles and doubles champion (50+)

2003 ITF Asian Open Veterans Tennis Championship sponsored by Volkl, Pattaya, Thailand, singles and doubles champion (50+)

2002 ITF Asian Open Veterans Tennis Championship, Pattaya Thailand, Singles and Doubles Champion (50+). Thailand Veterans Tennis Championship

2001 ITF Asian Open Veteran Tennis Championship, Pattaya Thailand, Singles Champion (50+), Doubles Semi finalist

2001 AVIS Samui Open, Koh Samui Thailand, Singles and Doubles Champion

2000 ITF Asian Open Veteran Tennis Championship, Pattaya Thailand, Doubles Champion (35+), Singles Semi finalist 45+)

1998 Canadian National Championships, Singles and Doubles Semi finalist (45+). Ontario Provincial Championships, Singles and Doubles Champion (45+)

1997 Represented Canada, ITF Veteran Team Competition World Championship, South Africa

1996 Canadian National Championships, Singles and Doubles Champion (45+)

1970-72 Tanzanian Davis Cup Team