These achievements require that you complete a cumulative total of 50, 100 and 200 matches. All games in Quick Play and Tournament modes count toward these achievements. Penalty Shootouts do not. After finishing all achievements related to winning cups and leagues, you will have completed right around 100 games, with around 100 games left to go. The fastest method to knock these out involves simulating league games. Choose any league you want and make sure the half length is set to 2 minutes. Before starting each match, you will see the option to Simulate. Tap this and then choose Visual Sim. Dont be concerned with winning. You just need to complete you last 100 games. Watch the game clock above the score. You will want to push the checkmark and choose to intervene around the 85 to 88 minute mark. Load in and wait the clock out for less than 30 seconds to get credit for completing a game. You must intervene, simply simulating the entire game will not count. Do this through the entire league and repeat when the league ends until you reach 200 and unlock the final achievement, "International Player". Each match will take around 2 or 3 minutes to complete, meaning these final 100 matches will take around 4 to 6 hours to complete.
You can check your progress towards this achievement from within the Leaderboards by summing up your total wins, loses, and draws.