# John van Lottum

John van Lottum (born 10 April 1976) is a former tennis player from the Netherlands, who played professionally from 1994 to 2007. During his career, he won 5 Challenger titles in singles; notably defeated Lleyton Hewitt and Todd Martin; and reached the 4th round of Wimbledon in 1998.
The right-hander reached his career-high singles ranking on the ATP Tour in April 1999, when he became world No. 62. He has an older sister, Noëlle van Lottum, who played on the WTA Tour for France circuit from 1987 to 1999, with a career-high ranking of world No. 57 in singles.
After his tennis career he was considered as a coach for Michaëlla Krajicek, but instead joined TV channel Eurosport as a tennis commentator. In June 2008, he coached Elena Dementieva during the Ordina Open and Wimbledon.

## Performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |

### Singles

| Tournament | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | SR | W–L | Win% |
| Grand Slam tournaments ||||||||||||||||
| Australian Open | A | A | A | Q1 | 1R | 1R | A | Q1 | Q2 | 1R | A | Q2 | 0 / 3 | 0–3 | 0% |
| French Open | A | A | A | 2R | 1R | 1R | 1R | Q2 | 2R | 1R | A | Q2 | 0 / 6 | 2–6 | 25% |
| Wimbledon | A | A | 3R | 4R | 1R | A | A | A | 1R | 1R | A | A | 0 / 5 | 5–5 | 50% |
| US Open | Q1 | A | 3R | 1R | 3R | 1R | 1R | 2R | 2R | A | A | A | 0 / 7 | 6–7 | 46% |
| Win–loss | 0–0 | 0–0 | 4–2 | 4–3 | 2–4 | 0–3 | 0–2 | 1–1 | 2–3 | 0–3 | 0–0 | 0–0 | 0 / 21 | 13–21 | 38% |
| ATP Tour Masters 1000 ||||||||||||||||
| Indian Wells | A | A | A | A | A | Q2 | A | A | A | 1R | A | A | 0 / 1 | 0–1 | 0% |
| Miami | A | A | A | A | 1R | 1R | A | A | A | A | A | A | 0 / 2 | 0–2 | 0% |
| Monte Carlo | A | A | A | A | 2R | Q1 | Q2 | A | Q1 | Q1 | A | A | 0 / 1 | 1–1 | 50% |
| Rome | A | A | A | Q2 | 1R | Q2 | A | A | Q2 | A | A | A | 0 / 1 | 0–1 | 0% |
| Cincinnati Masters | A | A | A | A | 2R | A | A | A | A | A | A | A | 0 / 1 | 1–1 | 50% |
| Stuttgart | A | A | Q2 | Q1 | Q1 | A | A | Not Held | Not Held | Not Held | Not Held | Not Held | 0 / 0 | 0–0 | – |
| Paris Masters | A | A | A | Q1 | 3R | A | A | A | A | A | A | A | 0 / 1 | 2–1 | 67% |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 4–5 | 0–1 | 0–0 | 0–0 | 0–0 | 0–1 | 0–0 | 0–0 | 0 / 7 | 4–7 | 36% |

## ATP Challenger and ITF Futures finals
### Singles: 13 (5–8)

* Legend
* ATP Challenger (5–8)
* ITF Futures (0–0)
* Finals by surface
* Hard (4–4)
* Clay (0–2)
* Grass (0–0)
* Carpet (1–2)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Nov 1997 | Neumünster, Germany | Challenger | Carpet | Dick Norman | 7–6, 6–7, 6–7 |
| Win | 1–1 | Feb 1999 | Ho Chi Minh City, Vietnam | Challenger | Hard | Markus Hipfl | 7–6, 6–2 |
| Win | 2–1 | Mar 2001 | Kyoto, Japan | Challenger | Carpet | Michael Kohlmann | 6–7$^{(3–7)}$, 6–4, 7–5 |
| Win | 3–1 | Oct 2001 | Bukhara, Uzbekistan | Challenger | Hard | Oleg Ogorodov | 6–1, 6–1 |
| Loss | 3–2 | Dec 2001 | San José, Costa Rica | Challenger | Hard | Michael Kohlmann | 3–6, 4–6 |
| Loss | 3–3 | Dec 2001 | Bangkok, Thailand | Challenger | Hard | Paradorn Srichaphan | 2–6, 3–6 |
| Loss | 3–4 | Sep 2002 | Samarkand, Uzbekistan | Challenger | Clay | Vasilis Mazarakis | 6–7$^{(1–7)}$, 6–4, 1–6 |
| Win | 4–4 | Oct 2002 | Bukhara, Uzbekistan | Challenger | Hard | Vasilis Mazarakis | 7–6, 6–1 |
| Loss | 4–5 | Dec 2002 | Yokohama, Japan | Challenger | Carpet | Lee Hyung-taik | 6–2, 6–7$^{(2–7)}$, 6–7$^{(6–8)}$ |
| Win | 5–5 | Dec 2002 | Bangkok, Thailand | Challenger | Hard | Frank Moser | 7–5, 6–4 |
| Loss | 5–6 | Jul 2003 | Hilversum, Netherlands | Challenger | Clay | Martin Verkerk | 3–6, 1–6 |
| Loss | 5–7 | Nov 2003 | Nottingham, United Kingdom | Challenger | Hard | Joachim Johansson | 4–6, 7–6$^{(7–4)}$, 2–6 |
| Loss | 5–8 | Nov 2003 | Bratislava, Slovakia | Challenger | Hard | Marc Rosset | 6–3, 3–6, 0–6 |

### Doubles: 2 (1–1)

* Legend
* ATP Challenger (1–1)
* ITF Futures (0–0)
* Finals by surface
* Hard (0–1)
* Clay (0–0)
* Grass (0–0)
* Carpet (1–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Jan 2000 | Heilbronn, Germany | Challenger | Carpet | Jan Siemerink | Magnus Larsson Fredrik Lovén | 7–5, 7–6$^{(8–6)}$ |
| Loss | 1–1 | Mar 2002 | Osaka, Japan | Challenger | Hard | Laurence Tieleman | Karol Beck Cedric Kauffmann | 5–7, 1–6 |