Kim Clijsters defeated Gisela Dulko 6-4 6-1 in the BEL vs ARG round robin on hard.
Clijsters K. took it in straight sets.
Clijsters K. and Dulko G. faced 11 of the same opponents in the last 12 months. Clijsters K. went 13–1 (93%) against them, Dulko G. 3–9 (25%). Clijsters K. came out clearly better against 5 of 8 comparable opponents, Dulko G. against 0.
Kim Clijsters beat Gisela Dulko 6-4 6-1. Umpiry, "Kim Clijsters vs Gisela Dulko — BEL vs ARG Round Robin", https://umpiry.com/match/2005-07-09/clijsters-vs-dulko-bel-vs-arg-rr?utm_source=cite (as of 9 July 2005).