Player data updated: 2026-10-17 16:37 UTC
Chuck Willenborg
Chuck Willenborg represented the United States on the ATP Tour and reached a career high of No. 541. TennisDB's records show a singles record of 0–1 and no singles titles.
Peak singles rank
541 (Sep 9, 1985)
Elo peak
1500 (3rd percentile)
Singles record
0–1 (0.0%)
Singles titles
0
Prize money
$1,351
Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.
ATP Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Shahar Perkiss | 3-6 6-7 | L | H2H | Match data | Feb 5, 1985* | R128 | Miami Open | ATP 500 | Hard |
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Shahar Perkiss | 0 | 1 | 1 | Feb 5, 1985 | H2H |
Career Results
| Season | Age | W | L | M | Win % | Start Rank | End Rank |
|---|---|---|---|---|---|---|---|
| 1985 | 20 | 0 | 1 | 1 | 0.0% | 667 | 548 |
| Career | 0 | 1 | 1 | 0.0% | — | — |
Career Results by Surface
| Season | Age | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1985 | 20 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
Career Results by Opponent Rank
| Season | Age | 1-10 | 11-30 | 31-100 | 100+ | Total | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1985 | 20 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% |
| Career | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | |
Advanced Stats
| Season | Age | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 20 | 1492 | 101.3 | — | — | — | — | — | — | — | 0.0% | -2.00 | — | 0–1 | — | -0.02 |
| Career | 1500 | 100.7 | — | — | — | — | — | — | — | 0.0% | -2.00 | — | 0–1 | — | -2.00 |
Tournament Results by Category
ATP Ranking History full ranking history →
Career high
541
Career-high date
Sep 9, 1985
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—
Ranking History Matrix
Similar Players
Other ATP players with comparable peak level, era, career record, and career scale.
| Player | Country | Peak ranking | Peak Elo | M | W | L | Win % | Prize money | Titles | GS | M1000 | Years | Rivalries | Match log |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hajime Nihonmatsu | JPN | #564 | 1,514 | 2 | 1 | 1 | 50.0% | $1,701 | 0 | 0 | 0 | 1985–1985 | Rivalries | Match log |
| Phillip Tuckniss | ZIM | #456 | 1,514 | 2 | 1 | 1 | 50.0% | $3,129 | 0 | 0 | 0 | 1985–1985 | Rivalries | Match log |
| Minoru Ueda | JPN | #455 | 1,515 | 3 | 1 | 2 | 33.3% | $1,995 | 0 | 0 | 0 | 1984–1985 | Rivalries | Match log |
| Eiji Takeuchi | JPN | #402 | 1,500 | 6 | 1 | 5 | 16.7% | $11,298 | 0 | 0 | 0 | 1979–1985 | Rivalries | Match log |
| Shozo Shiraishi | JPN | #326 | 1,500 | 13 | 1 | 12 | 7.7% | $15,703 | 0 | 0 | 0 | 1979–1989 | Rivalries | Match log |
| Hitoshi Shirato | JPN | #337 | 1,512 | 7 | 1 | 6 | 14.3% | $24,337 | 0 | 0 | 0 | 1981–1987 | Rivalries | Match log |
| Toshihisa Tsuchihashi | JPN | #359 | 1,515 | 13 | 2 | 11 | 15.4% | $38,984 | 0 | 0 | 0 | 1985–1992 | Rivalries | Match log |
| Stephen Furlong | AUS | #355 | 1,505 | 3 | 1 | 2 | 33.3% | $11,794 | 0 | 0 | 0 | 1985–1986 | Rivalries | Match log |
| Fredrik Rosenquist | SWE | #356 | 1,506 | 4 | 1 | 3 | 25.0% | $3,549 | 0 | 0 | 0 | 1985–1986 | Rivalries | Match log |
| Tetsu Kuramitsu | JPN | #281 | 1,500 | 10 | 1 | 9 | 10.0% | $2,699 | 0 | 0 | 0 | 1976–1986 | Rivalries | Match log |
| Karl Richter | USA | #285 | 1,510 | 6 | 1 | 5 | 16.7% | $25,679 | 0 | 0 | 0 | 1984–1986 | Rivalries | Match log |
| Martin Hipp | GER | #335 | 1,523 | 2 | 1 | 1 | 50.0% | $5,587 | 0 | 0 | 0 | 1985–1985 | Rivalries | Match log |
Frequently Asked Questions
- How old is Chuck Willenborg?
- Chuck Willenborg is 62 years old, born on August 6, 1964.
- Which country does Chuck Willenborg represent?
- Chuck Willenborg represents United States in TennisDB's ATP records.
- Is Chuck Willenborg left-handed or right-handed?
- Chuck Willenborg plays right-handed.
- How many Grand Slam singles titles has Chuck Willenborg won?
- Chuck Willenborg has not won a Grand Slam singles title.
- How many Masters 1000 titles has Chuck Willenborg won?
- TennisDB does not group any of Chuck Willenborg's titles under the modern Masters 1000 category.
- What is Chuck Willenborg's highest ATP ranking?
- Chuck Willenborg's career-high ATP singles ranking is world No. 541, first achieved on September 9, 1985.
- What is Chuck Willenborg's career win-loss record?
- Chuck Willenborg has a career ATP singles record of 0 wins and 1 losses (0.0%).
- How much career prize money has Chuck Willenborg earned?
- Chuck Willenborg has earned at least $1,351 in career prize money from professional tennis.
- Which seasons of Chuck Willenborg's career appear in TennisDB?
- Chuck Willenborg appears in TennisDB's ATP main-tour match records in 1985.
- Who has Chuck Willenborg faced most often?
- Chuck Willenborg's most frequent opponent is Shahar Perkiss, with a head-to-head record of 0–1 across 1 meeting.