Gustaf Gustafsson has faced 35 opponents throughout his career

Player	Team(s)	Games
Stephan Baumgartner-Jurko	U16 Austria (Euro U16)	1
Christoph De Marinis	U16 Austria (Euro U16)	1
Maximilian Graf	U16 Austria (Euro U16)	1
Petrus Heinonen	U16 Finland (Euro U16)	1
Petri Heinonen	U16 Finland (Euro U16)	1
Christof Hetzmannseder	U16 Austria (Euro U16)	1
Alexander Heuberger	U16 Austria (Euro U16)	1
Aleksi Huuskonen	U16 Finland (Euro U16)	1
Tomi Jarvinen	U16 Finland (Euro U16)	1
Henri Kamara	U16 Finland (Euro U16)	1
Djordje Karadzic	U16 Netherlands (Euro U16)	1
Petteri Koponen	U16 Finland (Euro U16)	1
Tim Kortekaas	U16 Netherlands (Euro U16)	1
Sebastian Lutz	U16 Austria (Euro U16)	1
Ronnie Matovu	U16 Netherlands (Euro U16)	1
Srdjan Mladenovic	U16 Netherlands (Euro U16)	1
Sad Niskanen	U16 Finland (Euro U16)	1
Lorenzo O'neal	U16 Austria (Euro U16)	1
Paul Obemeata-Gimoh	U16 Austria (Euro U16)	1
Jere Paivinen	U16 Finland (Euro U16)	1
Paul Radakovics	U16 Austria (Euro U16)	1
Jirian Roodheuvel	U16 Netherlands (Euro U16)	1
Rasmus Roslund	U16 Finland (Euro U16)	1
Aaron Roye	U16 Netherlands (Euro U16)	1
Sebastian Sarac	U16 Austria (Euro U16)	1
Roeland Schaftenaar	U16 Netherlands (Euro U16)	1
Peter Schoth	U16 Netherlands (Euro U16)	1
Kim Siven	U16 Finland (Euro U16)	1
Nico Reimer Slump	U16 Netherlands (Euro U16)	1
Tobias Stadelmann	U16 Austria (Euro U16)	1
Tuomas Tenkanen	U16 Finland (Euro U16)	1
Aleksandar Trivan	U16 Austria (Euro U16)	1
Kevin Van Duuren	U16 Netherlands (Euro U16)	1
Anselmi Vanjoki	U16 Finland (Euro U16)	1
Willem Zijlmans	U16 Netherlands (Euro U16)	1