25‑Nov‑1991 | Bossonnens CH | Hard | R32 | 117 | 86 | (6)Patrik Kuhnen [GER] d. Jelen | 2-6 6-3 7-6 | | | | | | | | | |
18‑Nov‑1991 | Munich CH | Carpet | R32 | 117 | 95 | (5)Tomas Carbonell [ESP] d. Jelen | 3-6 7-6 6-1 | | | | | | | | | |
4‑Nov‑1991 | Moscow | Carpet | R32 | 114 | 27 | (5)Jan Siemerink [NED] d. Jelen | 6-1 6-4 | | 0.53 | 3.6% | 3.6% | 67.3% | 59.5% | 44.4% | 6/9 | 0:55 |
21‑Oct‑1991 | Brest CH | Hard | R32 | 112 | 136 | Alex Antonitsch [AUT] d. Jelen | 6-4 6-1 | | | | | | | | | |
14‑Oct‑1991 | Vienna | Carpet | R16 | 112 | 24 | (8)Anders Jarryd [SWE] d. Jelen | 7-6(5) 6-3 | | 0.66 | 2.6% | 1.3% | 61.0% | 57.4% | 46.7% | 5/9 | 1:30 |
14‑Oct‑1991 | Vienna | Carpet | R32 | 112 | 421 | Jelen d. (WC)Gerald Mandl [AUT] | 6-4 6-2 | | 2.05 | 2.2% | 2.2% | 65.2% | 76.7% | 75.0% | 2/3 | 0:54 |
7‑Oct‑1991 | Berlin | Carpet | R32 | 97 | 40 | Jan Siemerink [NED] d. Jelen | 7-5 7-6(8) | | 0.95 | 0.0% | 2.5% | 62.0% | 63.3% | 53.3% | 0/3 | 1:33 |
26‑Aug‑1991 | US Open | Hard | R128 | 86 | 45 | Paul Haarhuis [NED] d. Jelen | 2-6 6-2 6-1 3-6 6-2 | | 0.83 | 1.6% | 5.5% | 64.1% | 56.1% | 43.5% | 11/20 | 2:22 |
19‑Aug‑1991 | Long Island | Hard | R16 | 86 | 5 | (2)Ivan Lendl [USA] d. Jelen | 6-2 6-0 | | 0.45 | 0.0% | 4.5% | 70.5% | 54.8% | 15.4% | 3/8 | 0:50 |
19‑Aug‑1991 | Long Island | Hard | R32 | 86 | 99 | Jelen d. Diego Nargiso [ITA] | 5-7 7-6(7) 6-0 | | 1.17 | 0.0% | 3.1% | 71.1% | 60.9% | 64.3% | 1/5 | 1:55 |
29‑Jul‑1991 | Kitzbuhel | Clay | R32 | 93 | 45 | (8)Martin Jaite [ARG] d. (WC)Jelen | 6-3 6-7(1) 6-2 | | 0.88 | 4.5% | 6.7% | 53.9% | 64.6% | 48.8% | 6/11 | 2:15 |
29‑Jul‑1991 | Kitzbuhel | Clay | R64 | 93 | 123 | (WC)Jelen d. Udo Riglewski [GER] | 7-6(3) 7-6(6) | | 0.89 | 3.4% | 3.4% | 67.8% | 74.6% | 60.7% | 2/2 | 1:38 |
15‑Jul‑1991 | Stuttgart Outdoor | Clay | R16 | 81 | 19 | (7)Goran Prpic [CRO] d. Jelen | 6-3 2-6 6-2 | | 0.77 | 0.0% | 5.3% | 78.9% | 60.0% | 20.0% | 9/14 | 1:44 |
15‑Jul‑1991 | Stuttgart Outdoor | Clay | R32 | 81 | 24 | Jelen d. (10)Jonas Svensson [SWE] | 7-6(3) 6-1 | | 1.17 | 3.2% | 0.0% | 65.1% | 51.2% | 59.1% | 5/8 | 1:39 |
15‑Jul‑1991 | Stuttgart Outdoor | Clay | R64 | 81 | 53 | Jelen d. (WC)Carl Uwe Steeb [GER] | 0-6 6-3 6-2 | | 0.96 | 1.0% | 3.0% | 72.7% | 61.1% | 37.0% | 8/12 | 1:33 |
24‑Jun‑1991 | Wimbledon | Grass | R128 | 70 | 103 | (LL)Andrei Olhovskiy [RUS] d. Jelen | 3-6 6-3 6-3 7-6(4) | | | | | | | | | |
17‑Jun‑1991 | Manchester | Grass | R32 | 56 | 63 | Todd Witsken [USA] d. Jelen | 7-6(7) 6-1 | | 0.68 | 0.0% | 8.9% | 66.1% | 73.0% | 21.1% | 2/6 | 1:11 |
10‑Jun‑1991 | Queen's Club | Grass | R32 | 57 | 82 | Jaime Oncins [BRA] d. (10)Jelen | 3-6 6-2 6-3 | | 0.84 | 0.9% | 6.4% | 76.4% | 60.7% | 26.9% | 11/16 | 1:44 |
10‑Jun‑1991 | Queen's Club | Grass | R64 | 57 | 96 | (10)Jelen d. Jeff Tarango [USA] | 6-3 5-7 9-7 | | 1.06 | 5.9% | 3.0% | 68.9% | 68.8% | 38.1% | 2/8 | 2:07 |
27‑May‑1991 | Roland Garros | Clay | R128 | 56 | 64 | (WC)Alberto Mancini [ARG] d. Jelen | 7-5 6-4 6-2 | | | | | | | | | |
20‑May‑1991 | Dusseldorf | Clay | RR | 57 | 29 | Jelen d. Marc Rosset [SUI] | 6-3 6-1 | | | | | | | | | |
20‑May‑1991 | Dusseldorf | Clay | RR | 57 | 18 | Goran Prpic [CRO] d. Jelen | 6-4 6-2 | | | | | | | | | |
13‑May‑1991 | Rome Masters | Clay | R16 | 64 | 48 | Horacio De La Pena [ARG] d. Jelen | 7-6(2) 6-1 | | 0.72 | 0.0% | 3.4% | 67.2% | 51.3% | 52.6% | 1/5 | 1:30 |
13‑May‑1991 | Rome Masters | Clay | R32 | 64 | 51 | Jelen d. Renzo Furlan [ITA] | 2-6 6-3 7-6(6) | | 0.85 | 0.8% | 3.4% | 63.9% | 55.3% | 53.5% | 5/10 | 2:16 |
13‑May‑1991 | Rome Masters | Clay | R64 | 64 | 4 | Jelen d. (2)Andre Agassi [USA] | 6-3 7-6(7) | | 1.14 | 1.2% | 8.3% | 64.3% | 61.1% | 43.3% | 6/10 | 1:30 |
6‑May‑1991 | Hamburg Masters | Clay | R64 | 66 | 32 | Martin Jaite [ARG] d. Jelen | 7-5 6-3 | | 0.70 | 0.0% | 3.2% | 54.8% | 55.9% | 46.4% | 3/8 | 1:23 |
29‑Apr‑1991 | Munich | Clay | R16 | 69 | 7 | (2)Goran Ivanisevic [CRO] d. Jelen | 6-4 4-6 6-3 | | 0.75 | 1.9% | 1.9% | 72.2% | 55.1% | 50.0% | 8/13 | 1:43 |
29‑Apr‑1991 | Munich | Clay | R32 | 69 | 33 | Jelen d. Ronald Agenor [USA] | 3-6 6-4 6-0 | | 1.13 | 0.0% | 4.1% | 79.7% | 64.4% | 46.7% | 0/3 | 1:25 |
22‑Apr‑1991 | Monte Carlo Masters | Clay | R64 | 67 | 19 | (10)Andrei Cherkasov [RUS] d. Jelen | 6-0 6-2 | | 0.38 | 0.0% | 6.1% | 73.5% | 50.0% | 23.1% | 6/11 | 0:56 |
15‑Apr‑1991 | Nice | Clay | R32 | 67 | 24 | (5)Guillermo Perez Roldan [ARG] d. Jelen | 6-2 6-2 | | 0.37 | 0.0% | 5.9% | 56.9% | 62.1% | 31.8% | 4/8 | 0:59 |
8‑Apr‑1991 | Barcelona | Clay | R64 | 68 | 95 | Carl Uwe Steeb [GER] d. Jelen | 7-6(2) 6-2 | | 0.77 | 2.7% | 5.4% | 79.7% | 50.8% | 53.3% | 4/8 | 1:25 |
25‑Feb‑1991 | Rotterdam | Carpet | R32 | 61 | 42 | Omar Camporese [ITA] d. Jelen | 6-2 2-6 6-2 | | 0.84 | 0.0% | 1.3% | 78.7% | 64.4% | 18.8% | 3/8 | 1:38 |
18‑Feb‑1991 | Stuttgart Indoor | Carpet | R16 | 67 | 11 | (3)Goran Ivanisevic [CRO] d. (WC)Jelen | 6-4 6-4 | | 0.54 | 2.6% | 3.9% | 77.6% | 67.8% | 35.3% | 6/8 | 1:10 |
18‑Feb‑1991 | Stuttgart Indoor | Carpet | R32 | 67 | 82 | (WC)Jelen d. Carl Uwe Steeb [GER] | 6-3 6-4 | | 1.23 | 0.0% | 1.6% | 85.7% | 74.1% | 44.4% | 3/3 | 1:09 |
11‑Feb‑1991 | Brussels | Carpet | R16 | 76 | 1 | (1)Boris Becker [GER] d. (Q)Jelen | 7-6 7-6 | | 0.87 | 5.4% | 1.1% | 70.7% | 66.2% | 51.9% | 4/6 | 1:50 |
11‑Feb‑1991 | Brussels | Carpet | R32 | 76 | 134 | (Q)Jelen d. (Q)Slava Dosedel [CZE] | 7-6(6) 6-3 | | 1.36 | 6.2% | 0.0% | 66.2% | 76.7% | 63.6% | 2/3 | 1:30 |
4‑Feb‑1991 | Milan | Carpet | R16 | 64 | 23 | (8)Alexander Volkov [RUS] d. Jelen | 6-3 3-6 7-6(2) | | 0.89 | 2.7% | 0.9% | 60.7% | 63.2% | 65.9% | 9/10 | 2:02 |
4‑Feb‑1991 | Milan | Carpet | R32 | 64 | 59 | Jelen d. Christo Van Rensburg [RSA] | 6-4 6-2 | | 1.37 | 0.0% | 1.6% | 64.5% | 67.5% | 63.6% | 5/6 | 1:20 |
14‑Jan‑1991 | Australian Open | Hard | R128 | 64 | 88 | Ramesh Krishnan [IND] d. Jelen | 7-6(6) RET | | 0.86 | 0.0% | 2.3% | 60.5% | 61.5% | 58.8% | 8/8 | 1:01 |
7‑Jan‑1991 | Auckland | Hard | R16 | 65 | 77 | Jean Philippe Fleurian [FRA] d. Jelen | 6-3 6-1 | | 0.51 | 0.0% | 6.7% | 85.0% | 49.0% | 22.2% | 4/9 | 1:03 |
7‑Jan‑1991 | Auckland | Hard | R32 | 65 | 72 | Jelen d. (8)Gilad Bloom [ISR] | 6-3 1-6 6-4 | | 1.11 | 0.0% | 1.2% | 67.1% | 63.6% | 51.9% | 6/10 | 1:48 |
31‑Dec‑1990 | Adelaide | Hard | R32 | 68 | 111 | (Q)Martin Sinner [GER] d. Jelen | 6-3 7-6(1) | | 0.83 | 4.3% | 5.8% | 60.9% | 66.7% | 37.0% | 7/10 | 1:29 |