
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
USA
16.02.80, 45 years
16.02.80, 45 years

Yong-Il Yoon vs. K. J. Weiss - head to head matches
08.03.04 | 1st round | Yong-Il Yoon | K. J. Weiss | 6-1, 6-1 | match details | ![]() | Hard |
Yong-Il Yoon form & K. J. Weiss form
Yong-Il Yoon - last matches
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16.08.04 1st round | vs. Sebastien Swierk | 0-6, 3-6 | ![]() | match details |
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28.06.04 1st round | vs. Jasper Smit | 6-75, 1-6 | ![]() | match details |
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31.05.04 1st round | vs. Wang-Cheng Hsieh | 3-6, 3-6 | ![]() | match details |
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24.05.04 1st round | vs. Hayato Furukawa | 6-75, 0-6 | ![]() | match details |
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19.04.04 1st round | vs. Mirko Pehar | 6-4, 6-2 | ![]() | match details |
19.04.04 2nd round | vs. Takeshi Itoh | 6-4, 6-3 | ![]() | match details |
19.04.04 1/4 | vs. David Martin | 5-7, 3-6 | ![]() | match details |
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12.04.04 2nd round | vs. Seung-Hoon Lee | 1-6, 4-6 | ![]() | match details |
12.04.04 1st round | vs. Goran Dragicevic | 6-2, 6-2 | ![]() | match details |
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15.03.04 1st round | vs. Takeshi Itoh | 0-6, 6-3, 6-73 | ![]() | match details |
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08.03.04 1st round | vs. K. J. Weiss | 6-1, 6-1 | ![]() | match details |
08.03.04 2nd round | vs. Philip Gubenco | 6-4, 6-4 | ![]() | match details |
08.03.04 1/4 | vs. Domenic Marafiote | 6-3, 1-6, 4-6 | ![]() | match details |
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01.03.04 1st round | vs. William Ward | 6-4, 6-74, 7-5 | ![]() | match details |
01.03.04 1/4 | vs. Domenic Marafiote | 6-4, 4-6, 5-7 | ![]() | match details |
01.03.04 2nd round | vs. Alexander Hartman | 6-3, 6-4 | ![]() | match details |
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21.10.02 2nd round | vs. Mario Ancic | 6-77, 2-6 | ![]() | match details |
21.10.02 1st round | vs. Seung-Kyu Park | 6-2, 6-3 | ![]() | match details |
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23.09.02 q 1 | vs. Luis Morejon | 7-5, 7-5 | ![]() | match details |
23.09.02 q 2 | vs. Michael Kohlmann | 6-1, 5-7, 0-6 | ![]() | match details |
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08.02.02 1st round | vs. Takao Suzuki | 5-7, 4-6, 3-6 | ![]() | match details |
08.02.02 1st round | vs. Gouichi Motomura | 6-3, 2-6, 2-6, 3-6 | ![]() | match details |
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14.01.02 q 1 | vs. Aisam Qureshi | 0-6, 1-6 | ![]() | match details |
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22.10.01 1st round | vs. Gouichi Motomura | 6-2, 0-6, 3-6 | ![]() | match details |
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01.10.01 1st round | vs. Tomas Zib | 3-6, 1-6 | ![]() | match details |
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24.09.01 qual. | vs. Paradorn Srichaphan | 1-6, 4-6 | ![]() | match details |
24.09.01 q 1 | vs. Andy Brothers | Andy Brothers - walk over | ![]() | match details |
24.09.01 q 2 | vs. Robert Cheyne | 6-3, 7-5 | ![]() | match details |
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17.09.01 2nd round | vs. Noam Behr | 6-74, 7-66, 2-6 | ![]() | match details |
17.09.01 1st round | vs. Thomas Shimada | 6-4, 6-4 | ![]() | match details |
K. J. Weiss - last matches
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27.06.05 q 2 | vs. Chris Drake | 5-7, 2-6 | ![]() | match details |
27.06.05 q 1 | vs. Bradley Sherwood | 6-4, 5-2, Bradley Sherwood - retired | ![]() | match details |
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10.01.05 1st round | vs. Eric Gomes | 1-6, 2-6 | ![]() | match details |
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04.10.04 1st round | vs. Frank Dancevic | 0-6, 1-6 | ![]() | match details |
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28.09.04 1st round | vs. Ryan Newport | 0-6, 1-6 | ![]() | match details |
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28.06.04 1st round | vs. Tres Davis | 1-6, 2-6 | ![]() | match details |
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07.06.04 q 1 | vs. Cary Franklin | 6-4, 4-6, 1-6 | ![]() | match details |
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10.05.04 q 1 | vs. Haig Schneiderman | 6-0, 6-0 | ![]() | match details |
10.05.04 q 2 | vs. Phillip Harboe | 1-6, 2-6 | ![]() | match details |
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15.03.04 1st round | vs. Sonchat Ratiwatana | 3-6, 2-6 | ![]() | match details |
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08.03.04 1st round | vs. Yong-Il Yoon | 1-6, 1-6 | ![]() | match details |
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01.03.04 1st round | vs. Herbert Wiltschnig | 2-6, 5-7 | ![]() | match details |
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02.02.04 1st round | vs. Bjorn Rehnquist | 1-6, 6-78 | ![]() | match details |
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11.11.03 1st round | vs. Cecil Mamiit | 3-6, 1-6 | ![]() | match details |
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27.10.03 1st round | vs. Michael Quintero | 0-6, 2-6 | ![]() | match details |
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07.07.03 q 1 | vs. Nick Crowell | 4-6, 5-7 | ![]() | match details |
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09.06.03 q 1 | vs. Luis-Manuel Flores | 3-6, 4-6 | ![]() | match details |
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12.05.03 q 1 | vs. Jaymon Crabb | 2-6, 3-6 | ![]() | match details |
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03.03.03 q 1 | vs. Michael Joyce | 1-6, 0-3, - K. J. Weiss - retired | ![]() | match details |
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21.10.02 q 1 | vs. Travis Parrott | 2-6, 2-6 | ![]() | match details |
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14.10.02 1st round | vs. Bjorn Rehnquist | 6-71, 2-6 | ![]() | match details |
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12.08.02 q 1 | vs. Brandon Wagner | 5-7, 1-6 | ![]() | match details |
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29.07.02 q 1 | vs. Karim Ben Mansour | 3-6, 6-75 | ![]() | match details |
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01.04.02 1st round | vs. Denis Golovanov | 1-6, 3-6 | ![]() | match details |
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11.03.02 q 1 | vs. Damian Furmanski | 6-73, 2-6 | ![]() | match details |
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28.01.02 1st round | vs. Martin Verkerk | 4-6, 4-6 | ![]() | match details |
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29.10.01 1st round | vs. Cecil Mamiit | 0-6, 0-6 | ![]() | match details |
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08.10.01 1st round | vs. Robert Kendrick | 4-6, 4-6 | ![]() | match details |
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06.11.00 1st round | vs. Zack Fleishman | 1-6, 2-6 | ![]() | match details |
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25.09.00 1st round | vs. Mark Nielsen | 3-6, 1-6 | ![]() | match details |