Please take a look at these documents about the rules and regulations on the ITTF.
https://www.ittf.com/wp-content/uploads/2019/11/2019ITTFHandbook_v2.pdf
Section 2.11
2.11 A GAME
2.11.1 A game shall be won by the player or pair first scoring 11 points unless both players or pairs score 10 points, when the game shall be won by the first player or pair subsequently gaining a lead of 2 points.
7th set was won by one point on my wager.