Meanings of next server in English

Iskra went on, sliding her plate along to the next server, who spooned some pale root vegetable onto her slop.

First set: Murray 1-0 Ito* (*denotes next server) Murray wins the toss and opts to serve first.

Second set: *Murray 6-1, 1-0 Ito (*denotes next server) No signs that the second set will be any different to the first.

Second set: *Murray 6-2, 4-5 Tsonga (asterisk denotes next server) Both players are producing the tennis we hoped for earlier in the match.

First set: *Murray 5-1 Ito (*denotes next server) And that the Japanese does, despite a crushing return winner down the line from Murray.

First set: Murray 6-2 Tsonga* (asterisk denotes next server) So, Murray needs to serve out this game to book his place in the semi-finals.

Second set: *Murray 6-1, 2-3 Ito (*denotes next server) Jenny has clearly tempted fate, because the dragon suddenly has some fire in his belly.

Second set: Murray 6-2, 4-4 Tsonga* (asterisk denotes next server) I tell the rest of the office that this one will be over by 9.30.