KUPPER David (GER) 2007

Lignano Junior European Cup 2026 (ITA) (-66 kg Junior) IJF

Berlin Junior European Cup 2025 (GER) (-66 kg Junior) IJF

LOST Round of 64 05:06	NOERSKOV Oliver (DEN) 2005	`1--/1`
	KUPPER David (GER) 2007	`---/1`

Graz Junior European Cup 2025 (AUT) (-66 kg Junior) IJF

WON Round of 32 02:18	KUPPER David (GER) 2007	`11-/0`
	KLDIASHVILI Saba (GEO) 2005	`-11/0`

LOST Round of 16 03:15	KOLLAR Sebestyen (HUN) 2006	`1--/0`
	KUPPER David (GER) 2007	`---/3`

LOST Repechage 03:13	SAMADASHVILI Merabi (GEO) 2007	`11-/0`
	KUPPER David (GER) 2007	`---/0`

Poznan Junior European Cup 2025 (POL) (-66 kg Junior) IJF

WON Round of 64 01:08	KUPPER David (GER) 2007	`1--/0`
	FALLAHDAR Rastin (GBR) 2007	`---/0`

WON Round of 32 00:56	MARTYNCHUK Oleksandr (UKR) 2007	`---/0`
	KUPPER David (GER) 2007	`1--/0`

LOST Round of 16 02:28	SAVCHENKO Maksym (POL) 2007	`1--/0`
	KUPPER David (GER) 2007	`---/0`

Koper Cadet European Cup 2024 (SLO) (-66 kg Cadet) IJF Bronze

WON Round of 64 04:00	KUPPER David (GER) 2007	`-1-/1`
	MILOSIC Lan (SLO)	`---/0`

WON Round of 32 02:41	MIJIC Marko (AUT) 2008	`-1-/0`
	KUPPER David (GER) 2007	`-2-/0`

WON Round of 16 06:14	KUPPER David (GER) 2007	`1--/0`
	DAAMEN Joe (NED)	`---/1`

LOST Quarter-Final 04:00	BARSKE Rufus (GER) 2007	`-1-/0`
	KUPPER David (GER) 2007	`---/0`

WON Repechage 04:00	BUOSI Jacopo (ITA) 2008	`---/1`
	KUPPER David (GER) 2007	`-1-/2`

WON Repechage 03:00	KUPPER David (GER) 2007	`11-/1`
	ROZGA Roko (CRO) 2008	`-1-/1`

WON Bronze 00:57	KUPPER David (GER) 2007	`11-/0`
	MEKINC Klemen (SLO) 2008	`---/0`

European Judo Championships Juniors Tallinn 2024 (EST) (-60 kg Junior) IJF

LOST Round of 32 05:14	MANFERLOTTI Vincenzo (ITA) 2004	`-1-/0`
	KUPPER David (GER) 2007	`---/0`

Berlin Junior European Cup 2024 (GER) (-60 kg Junior) IJF 7th Place

LOST Round of 32 03:45	KUPPER David (GER) 2007	`---/0`
	SERIKOV Madi (KAZ) 2004	`-2-/0`

WON Repechage 03:43	KUPPER David (GER) 2007	`1--/2`
	FLUM Fabio (SUI) 2005	`---/1`

WON Repechage 04:00	KUPPER David (GER) 2007	`-1-/2`
	VOGEL Philipp (GER) 2006	`---/1`

LOST Repechage 02:08	KREMERMAN Daniil (CAN) 2005	`1--/1`
	KUPPER David (GER) 2007	`---/1`

Prague Junior European Cup 2024 (CZE) (-60 kg Junior) IJF Gold

WON Round of 32 05:25	KUPPER David (GER) 2007	`1--/1`
	IMRANOV Eltun (AZE) 2004	`---/1`

WON Round of 16 06:00	CHANKSELIANI Giorgi (GEO) 2005	`-1-/1`
	KUPPER David (GER) 2007	`11-/1`

WON Quarter-Final 04:00	RUBINSTEIN Roy (ISR) 2005	`---/2`
	KUPPER David (GER) 2007	`1--/1`

WON Semi-Final 06:37	SHENKMAN Tal (ISR) 2005	`-1-/1`
	KUPPER David (GER) 2007	`11-/2`

WON Final 04:08	KUPPER David (GER) 2007	`1--/2`
	MATSUMOTO KANEDA Erick (BRA) 2004	`---/1`

Bielsko Biala Cadet European Cup 2024 (POL) (-60 kg Cadet) IJF

WON Round of 64 04:00	KHARLAMOV Yaroslav (UKR) 2007	`---/0`
	KUPPER David (GER) 2007	`-1-/0`

WON Round of 32 04:00	KAIRGALI Rolan (KAZ)	`---/1`
	KUPPER David (GER) 2007	`-1-/2`

LOST Round of 16 00:45	KUPPER David (GER) 2007	`---/0`
	FRIDMAN Maor (ISR) 2008	`-2-/0`

Berlin Cadet European Cup 2024 (GER) (-60 kg Cadet) IJF

WON Round of 128 01:59	GAVRILIS Michail Angelos (GRE) 2007	`---/1`
	KUPPER David (GER) 2007	`1--/0`

LOST Round of 64 04:58	ISKANDAROV Mirkhalig (AZE) 2007	`1--/0`
	KUPPER David (GER) 2007	`---/2`

LOST Repechage 04:00	KUPPER David (GER) 2007	`---/1`
	FAAS Siebe (NED) 2007	`-1-/1`

Teplice Cadet European Cup 2024 (CZE) (-60 kg Cadet) IJF

WON Round of 64 03:29	KUPPER David (GER) 2007	`1--/1`
	MOLNAR Zsombor (HUN) 2007	`---/1`

WON Round of 32 05:46	KUPPER David (GER) 2007	`1--/1`
	OLIINYK Illia (UKR) 2007	`---/1`

LOST Round of 16 03:08	CAETANO Diogo (POR) 2007	`11-/0`
	KUPPER David (GER) 2007	`---/1`

Porec Cadet European Cup 2024 (CRO) (-60 kg Cadet) IJF

LOST Round of 64 04:00	HOMKA Eriks (LAT)	`-1-/0`
	KUPPER David (GER) 2007	`---/2`

Koper Cadet European Cup 2023 (SLO) (-55 kg Cadet) IJF Gold

WON Round 2 01:25	KUPPER David (GER) 2007	`11-/0`
	CIAVURRO Niccolo (ITA) 2007	`---/0`

WON Quarter-Final 01:09	KUPPER David (GER) 2007	`11-/0`
	KOJC Keno (SLO) 2007	`---/0`

WON Semi-Final 02:20	KUPPER David (GER) 2007	`11-/0`
	SASSI Thomas (ITA) 2007	`---/0`

WON Final 05:15	BLAZIC Gal (SLO) 2007	`---/1`
	KUPPER David (GER) 2007	`-1-/1`

Berlin Cadet European Cup 2023 (GER) (-55 kg Cadet) IJF Bronze

WON Round 1 03:05	KUPPER David (GER) 2007	`1--/0`
	UYAR Kayra (NED) 2006	`---/0`

WON Round 2 05:00	KUPPER David (GER) 2007	`-1-/1`
	PEETERS Milan (BEL) 2007	`---/0`

LOST Quarter-Final 04:11	KUPPER David (GER) 2007	`---/1`
	MUNIZ ACOSTA Jakub (POL)	`-1-/1`

WON Repechage 01:52	BELHAMID Aymen (FRA) 2007	`---/0`
	KUPPER David (GER) 2007	`1--/0`

WON Repechage 04:00	GRUBER Maximilian Koh (GER)	`---/0`
	KUPPER David (GER) 2007	`-1-/0`

WON Bronze 02:37	KUPPER David (GER) 2007	`-2-/2`
	KOLONDRA Jan (POL) 2007	`---/1`

European Championships Cadets Odivelas 2023 Mixed Team (POR) (-60 kg Cadet) IJF

European Championships Cadets Odivelas 2023 (POR) (-55 kg Cadet) IJF

LOST Round 1 02:10	MILLAN SALAS Pablo (ESP) 2006	`1--/0`
	KUPPER David (GER) 2007	`---/0`

Porec EJU Cadet Training Camp (CRO) (-55 kg Cadet) IJF

Bielsko-Biala Cadet European Cup 2023 (POL) (-55 kg Cadet) IJF

WON Round 1 00:19	KUPPER David (GER) 2007	`1--/0`
	JUSKOWIAK Marcin (POL) 2008	`---/0`

LOST Round 2 04:00	KUPPER David (GER) 2007	`---/0`
	BAUD Romain (SUI) 2006	`-1-/0`

Teplice Cadet European Cup 2023 (CZE) (-55 kg Cadet) IJF

LOST Round 2 02:39	KUPPER David (GER) 2007	`-1-/1`
	MIRZAZADA Aykhan (AZE) 2006	`1--/1`

LOST Repechage 00:17	KUPPER David (GER) 2007	`---/0`
	BAUD Romain (SUI) 2006	`1--/0`

Zagreb Cadet European Cup 2023 (CRO) (-55 kg Cadet) IJF

LOST Round 1 01:48	KUPPER David (GER) 2007	`---/1`
	BAIZAK Oralbek (KAZ) 2006	`-2-/0`

WON Repechage 01:41	KUPPER David (GER) 2007	`11-/0`
	SUMALO Mykhailo (UKR) 2008	`---/0`

LOST Repechage 03:09	KUPPER David (GER) 2007	`---/2`
	PELLIZZARO Mattia (ITA) 2006	`1--/2`