Serena, Aryna, Emma, Iga, Naomi and Coco and are competing in a tennis tournament. Each player plays one match against each other player. A player receives 3 points for a win and 0 points for a loss.
- No player ended up with 0 points.
- One player won all their matches.
- Iga beat Aryna.
- Serena lost to Naomi, but they both ended up with the same (odd) number of points.
- Between them, Aryna and Coco earned 21 points.
- Emma only won 1 match, which was against the only other person who won 1 match.
How many points did each player end up with?