The 25-year-old Tau was excellent for his side in his first season in Europe, scoring 10 times and making 12 assists in 33 matches, which was enough to make him Belgium's best second division player.
Roger Federer had skipped the clay court season the past two years since last competing in Rome in May 2016 but confirmed his participation for the tournament in Madrid earlier this year.
World Cup-bound Banyana Banyana players took part in a special voting session on Monday morning before they fly out to the US to face the hosts in their last friendly before the tournament.
Norwich and Sheffield United, who drew 2-2 against Stoke, had already secured automatic promotion to the Premier League before the final round of fixtures.
Two-time Olympic champion Semenya last week lost a court challenge against the IAAF over plans to force some women to regulate their testosterone levels.
Kipchoge is to make another attempt at breaking two hours for the marathon later this year, probably in Britain, in a project backed by Jim Ratcliffe, the billionaire owner of chemical firm INEOS.
Proteas Test batsman and Lions captain Temba Bavuma has admitted to being frustrated with the lack of opportunities in limited overs cricket at international level.