docs: async def get_next_match(self):
          """ Return the first open match found, or if none, the first pending match found
  
          |methcoro|
  
          Raises:
              APIException
  
          """
          if self._final_rank is not None:
              return None
  
          matches = await self.get_matches(MatchState.open_)
  
          if len(matches) == 0:
              matches = await self.get_matches(MatchState.pending)
  
          if len(matches) > 0:
              return matches[0]
  
          return None