<prompt> Ngwala tšwetšopele ya serapa se - Willis o feditše ka 4th ka 2013 World Championships le ka 2013 European Championships SC ka bobedi ka 200-meters breaststroke. O feditše ka 4th ka 2014 European Championships  <response>: gomme a tšwela pele go thopa sefoka sa bronze Dipapading tša Commonwealth tša 2014 phadišanong ya makgaola-kgang ya dimithara tše 200 ya go hlapa sehuba kua Glasgow. O feditše 4th ka 2015 World Championships gomme a thopa sefoka sa bronze ka 2015 European Championships SC ka 200-meters breaststroke. O ile a tšea karolo ka 2016 European Championships, gomme a fetša 4th ka makgaolakgang a 200-meters breaststroke ka 2016 Summer Olympics ka Rio. O tšwetše pele go thopa sefoka sa silibera ka 2016 World Championships SC. Willis o ile a fihlelela makgaolakgannyeng a bobedi bja dimetara tše 100 le dimetara tše 200 tša go phonkgiša letswele Dipapading tša Commonwealth tša 2018, moo a feditšego ka 8th le 4th ka go latelana. Ka Julae 2018, Willis o ile a tlogela go rutha. 