[Lady]

Best women matches:
Justine vs Jen US Open
Justine vs Serena RG
Justine vs Lindsay AusOpen
Serena vs Kim AusOpen
Nadia P vs Jen RG

Best men matches:
Roddick vs El Aunaoui AusOpen
Moya vs Verkerk RG
Philippoussis vs Nalbandian US Open
Coria vs Agassi RG
Coria vs Verkerk RG

Best women final - Venus vs Serena AusOpen
Best men final - (I believe it was) Roger vs Mark Wimby

I couldn't see Wimbledon so I can't comment on the matches there