2019–20 ISU Challenger Series
The 2019–20 ISU Challenger Series was held from September to December 2019. It was the sixth season that the ISU Challenger Series, a group of senior-level international figure skating competitions ranked below the ISU Grand Prix, was held.
Events
The 2019–20 series was composed of ten events in autumn 2019.On July 22, 2019, the ISU canceled the Asian Open Figure Skating Classic and replaced the competition with Asian Open Figure Skating Trophy on the same dates.
| Date | Event | Location | Notes | Results |
| September 12–14 |  2019 CS Autumn Classic | Oakville, Ontario, Canada | No pairs | |
| September 13–15 |  2019 CS Lombardia Trophy | Bergamo, Italy | No pairs | |
| September 17–22 |  2019 CS U.S. International Classic | Salt Lake City, Utah, United States | ||
| September 19–21 |  2019 CS Ondrej Nepela Memorial | Bratislava, Slovakia | No pairs | |
| September 25–28 |  2019 CS Nebelhorn Trophy | Oberstdorf, Germany | ||
| October 11–13 |  2019 CS Finlandia Trophy | Espoo, Finland | ||
| October 18–20 |  2019 CS Ice Star | Minsk, Belarus | No pairs | |
| October 30 – November 3 |  2019 CS Asian Open Trophy | Dongguan, China | No pairs | |
| November 14–17 |  2019 CS Warsaw Cup | Warsaw, Poland | ||
| December 4–7 |  2019 CS Golden Spin of Zagreb | Zagreb, Croatia |
Medal summary
Medalists
Men
Ladies
Pairs
Ice dance
Medal standings
Challenger Series rankings
The ISU Challenger Series rankings were formed by combining the two highest final scores of each skater or team/couple.Men
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 |  Dmitri Aliev | 2019 CS Lombardia Trophy | 249.62 | 2019 CS Nepela Memorial | 255.32 | 504.94 |
| 2 | Daniel Grassl | 2019 CS Ice Star | 243.82 | 2019 CS Asian Open Trophy | 230.08 | 473.90 |
| 3 |  Sōta Yamamoto | 2019 CS U.S. Classic | 240.11 | 2019 CS Finlandia Trophy | 223.24 | 463.35 |
| 4 | Matteo Rizzo | 2019 CS Lombardia Trophy | 227.38 | 2019 CS Nepela Memorial | 232.70 | 460.08 |
| 5 |  Morisi Kvitelashvili | 2019 CS Lombardia Trophy | 220.96 | 2019 CS Golden Spin | 236.65 | 457.61 |
Ladies
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 | Elizaveta Tuktamysheva | 2019 CS Lombardia Trophy | 214.38 | 2019 CS Golden Spin | 221.15 | 435.53 |
| 2 |  You Young | 2019 CS Lombardia Trophy | 200.89 | 2019 CS U.S. Classic | 199.29 | 400.18 |
| 3 | Lim Eun-soo | 2019 CS Autumn Classic | 184.38 | 2019 CS Asian Open Trophy | 197.63 | 382.01 |
| 4 | Kim Ye-lim | 2019 CS Lombardia Trophy | 182.60 | 2019 CS Nepela Memorial | 186.27 | 368.87 |
| 5 | Sofia Samodurova | 2019 CS Ice Star | 187.16 | 2019 CS Golden Spin | 180.61 | 367.77 |
Pairs
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 | Ashley Cain-Gribble / Timothy LeDuc | 2019 CS U.S. Classic | 205.58 | 2019 CS Golden Spin | 199.43 | 405.01 |
| 2 | Tarah Kayne / Danny O'Shea | 2019 CS U.S. Classic | 174.02 | 2019 CS Golden Spin | 194.29 | 368.31 |
| 3 | Minerva Fabienne Hase / Nolan Seegert | 2019 CS Nebelhorn Trophy | 182.30 | 2019 CS Golden Spin | 185.09 | 367.39 |
| 4 | Alisa Efimova / Alexander Korovin | 2019 CS Nebelhorn Trophy | 171.46 | 2019 CS Finlandia Trophy | 194.28 | 365.74 |
| 5 | Jessica Calalang / Brian Johnson | 2019 CS U.S. Classic | 166.50 | 2019 CS Warsaw Cup | 191.46 | 357.96 |
Ice dance
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 | Charlène Guignard / Marco Fabbri | 2019 CS Lombardia Trophy | 202.10 | 2019 CS Golden Spin | 202.18 | 404.28 |
| 2 | Madison Chock / Evan Bates | 2019 CS U.S. Classic | 202.40 | 2019 CS Finlandia Trophy | 198.26 | 400.66 |
| 3 | Laurence Fournier Beaudry / Nikolaj Sørensen | 2019 CS Lombardia Trophy | 189.36 | 2019 CS Nebelhorn Trophy | 201.00 | 390.36 |
| 4 |  Sara Hurtado / Kirill Khaliavin | 2019 CS Nepela Memorial | 188.97 | 2019 CS Ice Star | 193.47 | 382.44 |
| 5 | Christina Carreira / Anthony Ponomarenko | 2019 CS Nebelhorn Trophy | 190.35 | 2019 CS Asian Open Trophy | 191.55 | 381.90 |