Mateusz Kecki
| Division | 18 |
| Home Town | Sacramento, CA |
| USTA Section | Northern California (NCTA) |
| Singles Line | 156 |
| Singles Seed | 0 |
| Doubles Line | 11 |
| Doubles Seed | 0 |
2008
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Mateusz Kecki / Aba Omodele-Lucien def. Garret Dunn / Andy Nguyen | 7-6(5), 7-6(5) |
| 2nd Rd | Mateusz Kecki / Aba Omodele-Lucien def. Samuel Keeton / Casey Watt (10) | 7-6(4), 6-4 |
| 3rd Rd | Mateusz Kecki / Aba Omodele-Lucien def. Andrew Malizia / Conner Sherwood | 6-2, 6-2 |
| 4th Rd | Jarmere Jenkins / Austin Krajicek (1) def. Mateusz Kecki / Aba Omodele-Lucien | 6-4, 6-2 |
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Mateusz Kecki def. Breon Badger | 6-4, 6-4 |
| 3rd Rd | Ty Trombetta (6) def. Mateusz Kecki | 2-6, 6-2, 6-1 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Lawrence Formentera def. Mateusz Kecki | Wo(inj) |
2007
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Mateusz Kecki (6) def. Jonathan Jaklitsch | 6-2, 6-3 |
| 3rd Rd | Mateusz Kecki (6) def. Ravi Yegya-Raman | 6-0, 6-0 |
| 4th Rd | Mateusz Kecki (6) def. Bryant Salcedo (23) | 6-2, 6-2 |
| 5th Rd | Mateusz Kecki (6) def. Wil Spencer (18) | 6-3, 6-2 |
| Qtr. Final Rd | Mateusz Kecki (6) def. Kellen Damico (2) | 6-3, 4-6, 6-5 Ret(inj) |
| Semi Final Rd | Ryan Thacher (3) def. Mateusz Kecki (6) | 6-2, 6-4 |
| 3rd Place Rd | Ty Trombetta (30) def. Mateusz Kecki (6) | Wo(inj) |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Mateusz Kecki / Dennis Lajola (7) def. Ryan L. Kim / Ty Trombetta | 7-5, 1-6, 6-1 |
| 3rd Rd | Mateusz Kecki / Dennis Lajola (7) def. Jamie Hutter / Andrew Kells | 6-2, 6-4 |
| 4th Rd | Mateusz Kecki / Dennis Lajola (7) def. Steve Johnson / Ryan Thacher (9) | 3-6, 7-6(2), 7-5 |
| Qtr. Final Rd | Jarmere Jenkins / Austin Krajicek (2) def. Mateusz Kecki / Dennis Lajola (7) | 2-6, 6-2, 6-4 |
2006
Boys 18 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Mateusz Kecki (22) def. Benji Kendall | 6-0, 3-6, 6-2 |
| 3rd Rd | Steve Johnson def. Mateusz Kecki (22) | 3-6, 7-6(1), 6-2 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| 3rd Rd | Mateusz Kecki (22) def. Bijan Moallemi | 7-5, 6-3 |
| 4th Rd Qualifying | Mateusz Kecki (22) def. Justin Kronauge (21) | 6-3, 6-2 |
| 4th Rd | Mateusz Kecki (22) def. Dylan Arnould (23) | Wo(inj) |
| 5th Rd Qualifying | Jason McNaughton (18) def. Mateusz Kecki (22) | 7-6(4), 6-1 |
Boys 18 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Ryan Gormley / Nicholas Perez def. Milo Johnson / Mateusz Kecki | 6-1, 5-7, 6-4 |
2005
Boys 16 Singles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | Mateusz Kecki (4) def. Ravi Yegya-Raman | 6-0, 6-2 |
| 3rd Rd | Mateusz Kecki (4) def. Allen Tsang | 6-1, 6-1 |
| 4th Rd | Mateusz Kecki (4) def. Connor Roth (31) | 6-1, 6-2 |
| 5th Rd | Mateusz Kecki (4) def. Brennan Boyajian (25) | 6-3, 6-0 |
| Qtr. Final Rd | Nathaniel Schnugg (5) def. Mateusz Kecki (4) | 6-1, 6-3 |
Feed-In
| Round | Players | Final Score |
|---|---|---|
| Qtr. Final Rd | Bozhidar Katsarov (12) def. Mateusz Kecki (4) | 1-6, 6-1, 6-3 |
Boys 16 Doubles
Main Draw
| Round | Players | Final Score |
|---|---|---|
| 1st Rd | Bye | Automatic Advance |
| 2nd Rd | William Guzick / Mateusz Kecki def. Rod Bastani / Patrick Collins | 6-3, 6-1 |
| 3rd Rd | William Guzick / Mateusz Kecki def. Bozhidar Katsarov / Bradley Klahn | 6-4, 6-7(5), 6-3 |
| 4th Rd | William Guzick / Mateusz Kecki def. Sho Matsumoto / P. Eliot Potvin | 6-0, 6-2 |
| Qtr. Final Rd | Dennis Lajola / Nathaniel Schnugg def. William Guzick / Mateusz Kecki | 2-6, 7-6(5), 6-3 |