User:Kyrgsom/doc

Optional parameters
Use one of TennisMatch3's arguments if needed:
 * np=   not played
 * nc=x  not completed; x is set when match ended
 * wo=x  walkover; x is player's team number (1 or 2)
 * re1=x retired of player from team 1; x is set when match ended
 * re2=x retired of player from team 2; x is set when match ended
 * team1-var= for alternate flag variant