With uncertainty surrounding Elina Svitolina’s fitness after retiring from her Australian Open match, her return to competition in the WTA Dubai Tennis Championships remains unpredictable.

Elina Svitolina, Emma Raducanu, Karolina Muchova and Maria Sakkari are just a few of the names who appear at indoor hard-court events in Linz and Singapore this week, as the Hologic WTA Tour moves ...