Iyini i-top spin serve e-tennis?
E-tennis, i-topspin service uhlobo lwe-serve oluhlanganisa ukubhucunga i-tennis racket phezulu ibhola ukuze phezulu kwebhola liphenduke phambili. Lokhu kubangela ibhola ukuba liwele phansi ngokushesha kunesivini esiyisicaba. Futhi kubangela ibhola ukuba libuyele phezulu kunesivini esiyisicaba. Ngenxa yokuthi iserver ayishayi ibhola phansi futhi amanye amandla ayo asetshenziselwa ukungeza i-spin, imvamisa ihamba kancane kune-hard flat serve.