Karl-William Matanga Ubertalli

RTC Arlon View on federation website Member since October 2022
Ranking
11.3 15 pts
Current points
19,75
Matches played
29 Last 6 months
Win rate
50 % Last 10 matches

Honors

Winner R.T.C. ARLON Mixed youth - 9 years Grade 2 · 20/08/2026
Finalist T.C. HALANZY Mixed youth - 9 years Grade 1 · 27/06/2026
Finalist T.C. HALANZY Mixed youth - 9 years Grade 2 · 27/06/2026
Finalist R.T.C. COUVIN Mixed youth - 9 years Grade 2 · 21/05/2026
Winner BERTRIX Mixed youth - 9 years Grade 3 · 27/04/2026
Finalist MARCHE Mixed youth - 9 years Grade 2 · 27/04/2026
Finalist MARCHE Mixed youth - 9 years Grade 3 · 27/04/2026
Winner R.T.C. ARLON Mixed youth - 9 years Grade 2 · 21/12/2025
Winner R.T.C. ARLON Mixed youth - 9 years Grade 3 · 21/12/2025
Best Performances
MARCHE Upset
28/04/2026
-9 Grade 2 (1-15)
Ranking at the time: 9.7 (2)
Harold Biron
9.3 (15) · Seed 1
4/2 4/1
GARISART TENNIS Upset
28/12/2025
Simples jeunes mixte - 9 ans Grade 2
Ranking at the time: 9.7 (2)
Romain Duhaumont
9.3 (15) · Seed 2
4/3 4/1
MARCHE Upset
29/04/2026
-9 Grade 2 (1-15)
Ranking at the time: 9.7 (2)
Bruno Giudizioso
9.5 (5)
4/3 3/4 4/2

Player matches

GARISART TENNIS · 15 Oct 2026

Simples jeunes gens - 11 ans Grade 2
DEFEAT Round: Semi-final 22 Oct · 12:00 vs Sylvain Bilger 11.3 (15) · 22 Oct · 12:00 4/3 4/0
VICTORY Round: Quarter-final 19 Oct · 16:00 vs Tim Piron 11.5 (5) · 19 Oct · 16:00 3/4 4/1 4/0

R.T.C. ARLON · 20 Aug 2026

Simples jeunes mixte - 9 ans Grade 2
VICTORY Round: Final 30 Aug · 11:00 vs Nathan Melchior 9.5 (5) · 30 Aug · 11:00 4/2 4/0
VICTORY Round: Semi-final 29 Aug · 17:00 vs Arthur Gregoire-Slegten 9.6 (3) · 29 Aug · 17:00 4/1 4/0
Simples jeunes gens - 11 ans Grade 2
DEFEAT Round: Quarter-final 26 Aug · 16:30 vs Jean Kiame 11.5 (5) · 26 Aug · 16:30 4/2 4/0
Simples jeunes mixte - 9 ans Grade 1
DEFEAT Round: Semi-final 23 Aug · 14:00 vs Joud Madhbouh 9.4 (10) · 23 Aug · 14:00 4/0 4/1

R.T.C. NEUFCHATEAU · 13 Aug 2026

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Final 21 Aug · 16:00 vs Alexis Haager 9.4 (10) · 21 Aug · 16:00 1/4 4/0 4/2
VICTORY Round: Semi-final 20 Aug · 13:00 vs Louis Caron 9.6 (3) · 20 Aug · 13:00 4/0 4/1
Simples jeunes gens - 11 ans Grade 2
DEFEAT Round: Quarter-final 21 Aug · 13:30 vs Malo Herman 11.3 (15) · Seed 1 · 21 Aug · 13:30 4/2 4/1
VICTORY Round: Last round of qualification 19 Aug · 17:00 vs Charly Labbe 11.6 (3) · 19 Aug · 17:00 4/1 4/0
VICTORY Round: Qualification 1st round 18 Aug · 15:00 vs Tiago Nelisse 11.5 (5) · Seed 4 · 18 Aug · 15:00 4/0 4/1
Simples jeunes mixte - 9 ans Grade 1
DEFEAT Round: Semi-final 19 Aug · 15:00 vs Joud Madhbouh 9.4 (10) · 19 Aug · 15:00 4/0 4/1

T.C. HALANZY · 27 Jun 2026

Simples jeunes gens - 11 ans Grade 2
DEFEAT Round: Quarter-final vs François Ney 11.3 (15) · Seed 2 4/2 4/2
VICTORY Round: Last round of qualification 29 Jun · 18:30 vs Tom Schul 11.8 (1) · 29 Jun · 18:30 4/0 4/1
Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Final 5 Jul · 10:30 vs Joud Madhbouh 9.4 (10) · 5 Jul · 10:30 4/0 4/1
VICTORY Round: Semi-final 29 Jun · 17:00 vs Max Lahr 9.6 (3) · 29 Jun · 17:00 4/1 4/2
Simples jeunes mixte - 9 ans Grade 1
DEFEAT Round: Final 2 Jul · 18:00 vs Pauline Demelenne 9.2 (20) · 2 Jul · 18:00 4/0 4/0
VICTORY Round: Semi-final 30 Jun · 17:30 vs Romain Duhaumont 9.3 (15) · Seed 2 · 30 Jun · 17:30 4/1 4/0

R.T.C. COUVIN · 21 May 2026

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Final 27 May · 19:00 vs Sacha Onkelinx 9.4 (10) · Seed 1 · 27 May · 19:00 4/2 4/0

T.C. D'ENGHIEN · 14 May 2026

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Semi-final 17 May · 16:30 vs Valentino Batjoens 9.3 (15) · Seed 1 · 17 May · 16:30 4/2 0/4 4/1
VICTORY Round: Quarter-final 16 May · 15:00 vs Charly Tonero 9.8 (1) · 16 May · 15:00 4/0 4/1

BERTRIX · 27 Apr 2026

Simples jeunes mixte - 9 ans Grade 3
VICTORY Round: Final vs Auguste Schumacker 9.8 (1) 4/0 4/0
VICTORY Round: Semi-final vs Théo Lamouline 9.7 (2) 4/0 4/0
VICTORY Round: Pool A 30 Apr · 17:00 vs Maxence Horman Pajot 9.8 (1) · 30 Apr · 17:00 4/0
VICTORY Round: Pool A 30 Apr · 16:30 vs Natan Gillet 9.8 (1) · 30 Apr · 16:30 4/0
VICTORY Round: Pool A 30 Apr · 16:00 vs Gaspard Bolle 9.7 (2) · 30 Apr · 16:00 4/0

MARCHE · 27 Apr 2026

Simples jeunes mixte - 9 ans Grade 3
DEFEAT Round: Final vs Mattia Nanni 9.6 (3) 3/3 ret.
VICTORY Round: Semi-final vs Arthur Fontagnere 9.7 (2) 3/4 4/2 4/1
VICTORY Round: Quarter-final vs Capucine Lefevre 9.7 (2) 4/2 4/0
VICTORY Round: Pool C 27 Apr · 18:00 vs Salomé Rucquoi 9.8 (1) · 27 Apr · 18:00 4/0
VICTORY Round: Pool C 27 Apr · 17:00 vs Ezio Doom 9.8 (1) · 27 Apr · 17:00 4/0
DEFEAT Round: Pool C 27 Apr · 16:00 vs Hugo Rekinger 9.6 (3) · 27 Apr · 16:00 4/2
Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Final 1 May · 17:00 vs Mattia Nanni 9.6 (3) · 1 May · 17:00 3/4 4/1 4/1
VICTORY Round: Semi-final 29 Apr · 16:00 vs Bruno Giudizioso 9.5 (5) · 29 Apr · 16:00 4/3 3/4 4/2
VICTORY Round: Quarter-final 28 Apr · 17:30 vs Harold Biron 9.3 (15) · Seed 1 · 28 Apr · 17:30 4/2 4/1

T.C. SAINT GILLES CINEY · 21 Feb 2026

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Last round of qualification 21 Feb vs Antoine Dive 9.4 (10) · Seed 1 · 21 Feb 4/1 4/2
VICTORY Round: Qualification 1st round 21 Feb vs Maxence Graas 9.8 (1) · 21 Feb 4/1 4/2

T.C. LIBRAMONT · 14 Feb 2026

Simples jeunes mixte - 9 ans Grade 3
VICTORY Round: Final vs Mattia Nanni 9.6 (3) 4/1 4/3
VICTORY Round: Semi-final vs Eléna Dumont 9.7 (2) 4/0 4/1
VICTORY Round: Quarter-final vs Arthur Fontagnere 9.7 (2) 4/0 2/4 4/3
VICTORY Round: Pool B 14 Feb vs Louise Javaux 9.8 (1) · 14 Feb 4/2
VICTORY Round: Pool B 14 Feb vs Maxence Horman Pajot 9.8 (1) · 14 Feb 4/0
DEFEAT Round: Pool B 14 Feb vs Mattia Nanni 9.6 (3) · 14 Feb 4/2
Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Quarter-final 14 Feb vs Mattia Nanni 9.6 (3) · Seed 4 · 14 Feb 4/3 1/4 4/1
VICTORY Round: Round of 16 14 Feb vs Georges Goosse 9.8 (1) · 14 Feb 4/0 4/0

No match matches your search.

Showing 1-10 of 18 tournaments

Interclubs matches

Win

Jeunes Mixte 9 REG 3 · Round 5

Sat 20 Jun

3 0
Away · vs GEDINNE A (TC Gedinne)

Individual matches

V
Antoine Jeanbaptiste 9.8
4/0 4/1
Win

Jeunes Mixte 9 REG 3 · Round 4

Sun 14 Jun

3 0
Home · vs BERTRIX A (T.C. BAUDET BERTRIX)

Individual matches

V
Tao Gerard 9.8
4/0 4/0
Loss

Jeunes Mixte 9 REG 1 · Round 2

Sun 7 Jun

0 3
Away · vs TEMPLOUX A (Tennis Club de Temploux)

Individual matches

D
Julien Sechehaye 9.2
4/1 4/0
Win

Jeunes Mixte 9 REG 3 · Round 1

Sat 6 Jun

3 0
Home · vs LA BRULOTTE A (T.C. LA BRULOTTE)

Individual matches

V
Corentin Georges 9.8
4/0 4/0

No match matches your search.

Ranking and club history

Ranking and clubs evolution over time

11.3 Current 15 RTC Arlon
9.7 01/10/2025 2 RTC Arlon
9.8 01/05/2025 1 RTC Arlon
9.8 01/10/2024 1 RTC Arlon
9.8 01/05/2024 1 RTC Arlon
9.8 01/10/2023 1 RTC Arlon
9.8 01/05/2023 1 RTC Arlon
9.8 01/10/2022 1 RTC Arlon

Points history

How your points (cumulative ranking) changed over time.

26/10/2026 19,75 pts
19/10/2026 18,51 pts
31/08/2026 20,97 pts
17/08/2026 19,53 pts
11/05/2026 16,89 pts
06/04/2026 15,07 pts
16/11/2025 7,17 pts