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

T.C. D'ENGHIEN · 15 Jan 2026

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Quarter-final 15 Jan vs Sacha Choquet 9.4 (10) · 15 Jan W.O.
Simples jeunes mixte - 9 ans Grade 3
DEFEAT Round: Pool A 15 Jan vs Gaspard Layon 9.8 (1) · 15 Jan Walk-Over
DEFEAT Round: Pool A 15 Jan vs Meliha Demirkilic 9.8 (1) · 15 Jan Walk-Over
DEFEAT Round: Pool A 15 Jan vs Renan Saussez 9.7 (2) · 15 Jan Walk-Over

GARISART TENNIS · 28 Dec 2025

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Final 28 Dec vs Pauline Demelenne 9.3 (15) · 28 Dec 4/3 4/3
VICTORY Round: Semi-final 28 Dec vs Liam Michotte 9.8 (1) · 28 Dec 4/2 4/1
VICTORY Round: Quarter-final 28 Dec vs Romain Duhaumont 9.3 (15) · Seed 2 · 28 Dec 4/3 4/1
Simples jeunes mixte - 9 ans Grade 3
VICTORY Round: Pool A 28 Dec vs Arthur Socie 9.8 (1) · 28 Dec 4/0
VICTORY Round: Pool A 28 Dec vs Liam Michotte 9.8 (1) · 28 Dec 4/0
VICTORY Round: Pool A 28 Dec vs Arthur Gregoire-Slegten 9.8 (1) · 28 Dec 4/0
VICTORY Round: Pool A 28 Dec vs Gabriel Cleyman Tchor 9.8 (1) · 28 Dec 4/2

R.T.C. ARLON · 21 Dec 2025

Simples jeunes mixte - 9 ans Grade 2
VICTORY Round: Final 21 Dec vs Liam Michotte 9.8 (1) · 21 Dec 4/2 4/3
VICTORY Round: Semi-final 21 Dec vs Nathan Melchior 9.7 (2) · 21 Dec 4/1 4/0
Simples jeunes mixte - 9 ans Grade 3
VICTORY Round: Final 21 Dec vs Arthur Fontagnere 9.7 (2) · 21 Dec 4/2 4/0
VICTORY Round: Semi-final 21 Dec vs Liam Michotte 9.8 (1) · 21 Dec 4/3 4/3
VICTORY Round: Quarter-final 21 Dec vs Max Lahr 9.7 (2) · 21 Dec 4/2 3/4 4/2
VICTORY Round: Pool B 21 Dec vs Chloé Lagrange 9.8 (1) · 21 Dec 4/0
VICTORY Round: Pool B 21 Dec vs Enzo Pirotte 9.7 (2) · 21 Dec 4/2

R.T.C. BASTOGNE · 22 Nov 2025

Simples jeunes mixte - 9 ans Grade 3
DEFEAT Round: Final 22 Nov vs Joud Madhbouh 9.7 (2) · 22 Nov 4/1 4/0
VICTORY Round: Semi-final 22 Nov vs Eléna Dumont 9.7 (2) · 22 Nov 1/4 4/1 4/2
VICTORY Round: Pool B 22 Nov vs Patrick-Andreas Lepadat 9.8 (1) · 22 Nov 4/2
VICTORY Round: Pool B 22 Nov vs Hugo Hartman 9.8 (1) · 22 Nov 4/0
VICTORY Round: Pool B 22 Nov vs Arthur Fontagnere 9.7 (2) · 22 Nov 4/1

T.C. LA MARMOTTE · 30 Oct 2025

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Semi-final 30 Oct vs Baptiste Gregoire 9.6 (3) · 30 Oct 4/1 4/1
VICTORY Round: Quarter-final 30 Oct vs Ruben Valoir 9.7 (2) · 30 Oct 4/1 1/4 4/3

GARISART TENNIS · 16 Oct 2025

Simples jeunes mixte - 9 ans Grade 3
DEFEAT Round: Semi-final vs Achille Bricart 9.6 (3) 4/0 4/0
VICTORY Round: Pool B 16 Oct vs Maël Camus 9.8 (1) · 16 Oct 4/1
DEFEAT Round: Pool B 16 Oct vs Mattia Nanni 9.6 (3) · 16 Oct 4/3
Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Quarter-final 16 Oct vs Mattia Nanni 9.6 (3) · 16 Oct 4/0 4/1

T.C. HOUFFALIZE · 31 Aug 2025

Simples jeunes mixte - 9 ans Grade 3
DEFEAT Round: Pool A 31 Aug vs Tiago Nelisse 9.8 (1) · 31 Aug Walk-Over
DEFEAT Round: Pool A 31 Aug vs Romain Gondry 9.8 (1) · 31 Aug Walk-Over
DEFEAT Round: Pool A 31 Aug vs Lorenzo Nelisse 9.7 (2) · 31 Aug Walk-Over
DEFEAT Round: Pool A 31 Aug vs Romain Duhaumont 9.7 (2) · 31 Aug Walk-Over

R.T.C. ARLON · 21 Aug 2025

Simples jeunes mixte - 9 ans Grade 2
DEFEAT Round: Quarter-final 21 Aug vs Maxendre Schmeler 9.5 (5) · 21 Aug 4/1 4/0

No match matches your search.

Showing 11-18 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