[9] Observing the tryout, the coaches believed that the skaters would make a good match due to similar technique and body types.

[2] Their international debut came in early September 2016 at the Junior Grand Prix (JGP) in Ostrava, Czech Republic.

[13] Alexandrovskaya/Windsor made their senior debut in October 2016 at a Challenger Series event, the Finlandia Trophy; they placed sixth and obtained the minimum technical scores to compete at senior-level ISU Championships.

In December, the pair placed 5th in France at the JGP Final, to which they were called up as replacements for Russia's Ekaterina Borisova / Dmitry Sopot.

Ranked third in the short program and second in the free skate, they finished first overall, outscoring the silver medallists, Aleksandra Boikova / Dmitrii Kozlovskii of Russia, by 2.05 points.

Despite beginning the season with a bronze medal at the 2018 CS U.S. Classic, the move was overall not a success, and both struggled with health and fitness concerns.

After months of experimentation, a solution was found for Windsor's foot inflammation that allowed them to resume training on ice.

[22] Alexandrovskaya/Windsor placed ninth at the 2019 CS Nebelhorn Trophy, and then finished seventh at the 2019 Skate America, their lone Grand Prix assignment.

[25] It was subsequently reported by coach Khekalo that Alexandrovskaya had an epileptic seizure in early January that prompted her retirement.

[26][27] On 18 July 2020, Alexandrovskaya died after jumping out of the 6th floor window of her Moscow home, in a suspected suicide, leaving behind a note that said "Lyublyu" (Russian: Люблю, lit.

[28][29][30][31][32][33][34] An ABC Television feature-length documentary film, Harley & Katya, detailing Alexandrovskaya/Windsor's relationship and partnership, was released in February 2022.