Player data updated: 2026-10-17 16:37 UTC
William Kyriakos
William Kyriakos represented Brazil on the ATP Tour and reached a career high of No. 266. TennisDB's records show a singles record of 0–1 and no singles titles.
Peak singles rank
266 (Jun 24, 1991)
Elo peak
1500 (3rd percentile)
Singles record
0–1 (0.0%)
Singles titles
0
Prize money
$27,531
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jose Daher | 1-6 1-6 | L | H2H | Match data | Sep 11, 1991* | R64 | Brasilia | ATP World Series → modern equivalent ATP 250 | Carpet |
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Jose Daher | 0 | 1 | 1 | Sep 11, 1991 | H2H |
Career Results
| Season | Age | W | L | M | Win % | Start Rank | End Rank |
|---|---|---|---|---|---|---|---|
| 1991 | 18 | 0 | 1 | 1 | 0.0% | 275 | 524 |
| Career | 0 | 1 | 1 | 0.0% | — | — |
Career Results by Surface
| Season | Age | Hard | Clay | Grass | Carpet | Total | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1991 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | 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 % | ||
| 1991 | 18 | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| Career | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 0 | — | — | 0 | 1 | 1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 18 | 1481 | 91.5 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.08 |
| Career | 1500 | 95.6 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +8.00 |
Tournament Results by Category
ATP Ranking History full ranking history →
Career high
266
Career-high date
Jun 24, 1991
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—
Ranking History Matrix
| Season | Age | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | 15 | — | — | — | — | 964 | 984 | 951 | 955 | 987 | 977 | 992 | 1013 |
| 1989 | 16 | 1011 | 955 | 963 | 962 | 1035 | 1020 | 999 | 532 | 524 | 527 | 525 | 522 |
| 1990 | 17 | 520 | 517 | 531 | 410 | 409 | 422 | 301 | 338 | 334 | 296 | 272 | 274 |
| 1991 | 18 | 276 | 276 | 280 | 311 | 299 | 266 | 352 | 364 | 362 | 430 | 509 | 524 |
| 1992 | 19 | 519 | 512 | 505 | 507 | 552 | 677 | 693 | 588 | 534 | 443 | 446 | 436 |
| 1993 | 20 | 437 | 444 | 452 | 399 | 403 | 428 | 362 | 388 | 435 | 532 | 526 | 551 |
| 1994 | 21 | 548 | 539 | 546 | 677 | 686 | 637 | 993 | 1019 | 1090 | 1092 | 1066 | 1073 |
| 1995 | 22 | 1067 | 1071 | 1079 | 1077 | 1074 | 1074 | — | — | — | — | — | — |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Richard Schmidt | USA | #240 | 1,500 | 13 | 1 | 12 | 7.7% | $98,332 | 0 | 0 | 0 | 1987–1993 | Rivalries | Match log |
| Brian Devening | USA | #277 | 1,507 | 11 | 2 | 9 | 18.2% | $175,493 | 0 | 0 | 0 | 1991–1994 | Rivalries | Match log |
| George Cosac | ROU | #265 | 1,517 | 3 | 1 | 2 | 33.3% | $86,518 | 0 | 0 | 0 | 1989–1995 | Rivalries | Match log |
| Heath Denman | AUS | #247 | 1,522 | 6 | 1 | 5 | 16.7% | $60,213 | 0 | 0 | 0 | 1991–1996 | Rivalries | Match log |
| Miguel Merz | ESA | #254 | 1,517 | 2 | 1 | 1 | 50.0% | $11,880 | 0 | 0 | 0 | 1991–1991 | Rivalries | Match log |
| Ralph Kok | NED | #243 | 1,500 | 5 | 1 | 4 | 20.0% | $36,729 | 0 | 0 | 0 | 1989–1993 | Rivalries | Match log |
| Ivan Baron | USA | #218 | 1,500 | 11 | 1 | 10 | 9.1% | $128,779 | 0 | 0 | 0 | 1990–1997 | Rivalries | Match log |
| Federico Mordegan | ITA | #243 | 1,500 | 11 | 2 | 9 | 18.2% | $236,608 | 0 | 0 | 0 | 1989–1994 | Rivalries | Match log |
| Han Cheol Shin | KOR | #273 | 1,513 | 5 | 2 | 3 | 40.0% | $13,628 | 0 | 0 | 0 | 1991–1994 | Rivalries | Match log |
| Ola Kristiansson | SWE | #277 | 1,500 | 4 | 1 | 3 | 25.0% | $87,830 | 0 | 0 | 0 | 1990–1994 | Rivalries | Match log |
| Tom Kempers | NED | #253 | 1,500 | 9 | 2 | 7 | 22.2% | $494,330 | 0 | 0 | 0 | 1990–1997 | Rivalries | Match log |
| Jose Antonio Pepe Conde | ESP | #274 | 1,527 | 11 | 3 | 8 | 27.3% | $195,135 | 0 | 0 | 0 | 1990–1993 | Rivalries | Match log |
Frequently Asked Questions
- How old is William Kyriakos?
- William Kyriakos is 54 years old, born on September 3, 1972.
- Which country does William Kyriakos represent?
- William Kyriakos represents Brazil in TennisDB's ATP records.
- Is William Kyriakos left-handed or right-handed?
- William Kyriakos plays right-handed.
- How many Grand Slam singles titles has William Kyriakos won?
- William Kyriakos has not won a Grand Slam singles title.
- How many Masters 1000 titles has William Kyriakos won?
- TennisDB does not group any of William Kyriakos's titles under the modern Masters 1000 category.
- What is William Kyriakos' highest ATP ranking?
- William Kyriakos' career-high ATP singles ranking is world No. 266, first achieved on June 24, 1991.
- What is William Kyriakos' career win-loss record?
- William Kyriakos has a career ATP singles record of 0 wins and 1 losses (0.0%).
- How much career prize money has William Kyriakos earned?
- William Kyriakos has earned at least $27,531 in career prize money from professional tennis.
- Which seasons of William Kyriakos's career appear in TennisDB?
- William Kyriakos appears in TennisDB's ATP main-tour match records in 1991.
- Who has William Kyriakos faced most often?
- William Kyriakos' most frequent opponent is Jose Daher, with a head-to-head record of 0–1 across 1 meeting.