2015 Italian Junior and Cadet Open | ITTF rankings: Damianis Efstratios 662, Sgouropoulos Ioannis 714 |
2015 Czech Junior and Cadet Open | ITTF rankings: Damianis Efstratios 604, Sgouropoulos Ioannis 738 |
2014 Slovak Cadet Open | ITTF rankings: Damianis Efstratios 604, Sgouropoulos Ioannis 738 |
2014 Malta Junior and Cadet Open | ITTF rankings: Damianis Efstratios 500, Sgouropoulos Ioannis 656 |
2014 Czech Junior and Cadet Open | ITTF rankings: Damianis Efstratios 528, Sgouropoulos Ioannis 626 |
2013 Serbian Junior and Cadet Open | ITTF rankings: Damianis Efstratios 527, Sgouropoulos Ioannis 476 |
2012 Serbian Junior and Cadet Open | ITTF rankings: Damianis Efstratios 0, Sgouropoulos Ioannis 0 |