Oscar Lengden
BY YEAR
| Challenge Tour Grand Final | CHA | 47 | 2020 | T10 | 2.30 | 1 | 2.3 | 301st |
| Andalucía Challenge de España | CHA | 45 | 2020 | T17 | - | 1 | - | 320th |
| Italian Open | EUR | 43 | 2020 | T30 | - | 1 | - | 301st |
| Scottish Championship presented by AXA | EUR | 42 | 2020 | MC | - | 1 | - | 301st |
| Dubai Duty Free Irish Open | EUR | 39 | 2020 | T5 | 5.28 | 1 | 5.28 | 286th |
| Open de Portugal at Royal Obidos | CHA,EUR | 38 | 2020 | MC | - | 1 | - | 336th |
| Estrella Damm N.A. Andalucia Masters | EUR | 36 | 2020 | MC | - | 1 | - | 334th |
| ISPS HANDA UK Championship | EUR | 35 | 2020 | MC | - | 0.9891 | - | 328th |
| ISPS HANDA Wales Open | EUR | 34 | 2020 | T53 | - | 0.9783 | - | 323rd |
| Celtic Classic | EUR | 33 | 2020 | T47 | - | 0.9674 | - | 324th |
| English Championship | EUR | 32 | 2020 | T19 | 1.50 | 0.9565 | 1.43 | 321st |
| SM Match presented by Greatdays | NGL | 31 | 2020 | 2 | 2.40 | 0.9457 | 2.27 | 328th |
| Stockholm Trophy by Folksam | NGL | 30 | 2020 | T23 | - | 0.9348 | - | 372nd |
| Euram Bank Open | CHA,EUR | 29 | 2020 | T13 | 1.73 | 0.9239 | 1.6 | 365th |
| Austrian Open | CHA,EUR | 28 | 2020 | T8 | 2.34 | 0.913 | 2.14 | 386th |
| Katrineholm Open hosted by Robert Karlsson | NGL | 27 | 2020 | T5 | 1.45 | 0.9022 | 1.31 | 415th |
| Dimension Data Pro-Am | AFR,CHA | 7 | 2020 | T11 | 1.36 | 0.8152 | 1.11 | 423rd |
| RAM Cape Town Open | AFR,CHA | 6 | 2020 | MC | - | 0.8043 | - | 433rd |
| Limpopo Championship | AFR,CHA | 5 | 2020 | MC | - | 0.7935 | - | 420th |
| Challenge Tour Grand Final | CHA | 45 | 2019 | T15 | 1.41 | 0.663 | 0.93 | 375th |
| Foshan Open | CHA,CHN | 43 | 2019 | MC | - | 0.6413 | - | 398th |
| Hainan Open | CHA,CHN | 42 | 2019 | T13 | 1.37 | 0.6304 | 0.86 | 393rd |
| Stone Irish Challenge | CHA | 41 | 2019 | 2 | 7.20 | 0.6196 | 4.46 | 423rd |
| Lalla Aïcha Challenge Tour | CHA | 40 | 2019 | T11 | 1.34 | 0.6087 | 0.82 | 595th |
| Hopps Open de Provence | CHA | 39 | 2019 | MC | - | 0.5978 | - | 628th |
| 57º Open De Portugal @ Morgado Golf Resort | CHA | 37 | 2019 | MC | - | 0.5761 | - | 613rd |
| Open de Bretagne | CHA | 36 | 2019 | T20 | - | 0.5652 | - | 596th |
| Scandinavian Invitation | EUR | 34 | 2019 | MC | - | 0.5435 | - | 573rd |
| ISPS Handa World Invitational Men│Women presented by Modest! Golf Management | CHA | 33 | 2019 | T5 | 2.64 | 0.5326 | 1.41 | 557th |
| Made in Denmark Challenge - Presented by FREJA | CHA | 32 | 2019 | T18 | - | 0.5217 | - | 611st |
| Vierumäki Finnish Challenge | CHA | 31 | 2019 | T28 | - | 0.5109 | - | 601st |
| Italian Challenge Open Eneos Motor Oil | CHA | 26 | 2019 | T21 | - | 0.4565 | - | 528th |
| Swiss Challenge Presented by Swiss Golf | CHA | 23 | 2019 | MC | - | 0.4239 | - | 477th |
| Belgian Knockout | EUR | 22 | 2019 | T29 | - | 0.413 | - | 456th |
| D+D REAL Czech Challenge | CHA | 21 | 2019 | MC | - | 0.4022 | - | 445th |
| Prague Golf Challenge | CHA | 19 | 2019 | T29 | - | 0.3804 | - | 425th |
| Challenge de España | CHA | 18 | 2019 | MC | - | 0.3696 | - | 408th |
| Turkish Airlines Challenge | CHA | 17 | 2019 | T47 | - | 0.3587 | - | 385th |
| Magical Kenya Open presented by Absa | EUR | 11 | 2019 | T35 | - | 0.2935 | - | 347th |
| Lumine Hills Open | NGL | 9 | 2019 | MC | - | 0.2717 | - | 327th |
| Lumine Lakes Open | NGL | 9 | 2019 | MC | - | 0.2717 | - | 327th |
| Ras Al Khaimah Challenge Tour Grand Final | CHA | 44 | 2018 | T17 | 1.32 | 0.087 | 0.11 | 243rd |
| Foshan Open | CHA,CHN | 42 | 2018 | T7 | 2.13 | 0.0652 | 0.14 | 241st |
| Hainan Open | CHA,CHN | 41 | 2018 | T62 | - | 0.0543 | - | 254th |
| Hopps Open de Provence | CHA | 38 | 2018 | MC | - | 0.0217 | - | 245th |
| Kazakhstan Open | CHA | 37 | 2018 | MC | - | 0.0109 | - | 237th |