Willian’s first-half brace saw the Blues take all three points on Sunday.
Oliseh, writing on his Twitter account, singled out the Brazilian for his fine display.
“Such a dominant exhibition of proactive football by Chelsea vs Tottenham, epitomized by this exceptional player in Willian.
“Tactically and all other forms, Chelsea players and staff were better in my opinion. Shame racism showed it’s ugly face once again. Bravo Chelsea,” he tweeted.