devtrackers.gg
Have won 3 games in regular royal games with clown fish skin and it will not unlock. Have restarted game and waited a couple days. Below are TM.io links to said games.
https://trackmania.io/#/match/LID-MTCH-ut4o5ffievhxoch: (https://trackmania.io/#/match/LID-MTCH-ut4o5ffievhxoch)
https://trackmania.io/#/match/LID-MTCH-5jkglxpm2ynaujb: (https://trackmania.io/#/match/LID-MTCH-5jkglxpm2ynaujb)
https://trackmania.io/#/match/LID-MTCH-3ykrxyopqz0c0ef: (https://trackmania.io/#/match/LID-MTCH-3ykrxyopqz0c0ef)