Opo awon olutuwo ere-idaraya, olugbewo tenis, ati awon atayo lowo ati tele gba pe Federer ni atayo tenis to gbokikijulo.Itokasi  Awon ara SwitsalandiAwon agba tenis ara SwitsalandiAwon ayori Open AmerikaAwon ayori Open AustraliaAwon ayori Open FransiAwon ayori Idije Wimbledon.. 
Gẹgẹbimore, the model posits that the ìṣàkósoble has no intrinc spin, no elecriatric charge, and no Colour charge.. 