Idaho State (2013-14) In singles Stempien was 11-5 and 7-2 in Big Sky play… In doubles he was 6-7 overall and 4-3 in big Sky play… He was named team co-MVP.

(2012-13) Stempien was 9-8 overall and 6-4 in Big Sky play in singles action... He was 13-5 in doubles action and 6-2 in Big Sky doubles action.


(2011-12) Earned Big Sky Second Team All-Conference honors … led the Bengals with a 12-7 singles record in the No. 2 - 4 spot … lead the Bengals with a 7-1 singles record in Big Sky … moved from the No. 4 spot to the No. 2 by the end of the season … posted two four-match win streaks during the season, his first four wins coming from his first four career matches … began the season with a victory over Matt Sweet of Utah State  in the No. 4 spot, aiding the Bengals in their first win over Utah State since 2006 … defeated Pello Ramstromer of Weber State in the No. 4 spot(1/25) … overcame Michael Facey of Montana in the No. 4 spot (1/27) … overpowered Mitch Somach of Portland State in the No. 3 position (2/5) … defeated Moez Echargui of Nevada in the No. 3 spot (2/18) … overcame Shaun Waters of Northern Arizona in the No. 3 position (2/26) … overpowered Jeff Carlson of Northern Colorado in the No. 3 spot (3/3) … defeated Jaun Pablo Fuentes of Western New Mexico in the No. 3 spot at the Las Vegas Tournament … had his second four-match winning streak with victories over Montana State, Montana, Weber State, and Sacramento State all in the No. 3 spot … was named Bengal Athlete of the week twice in the year … earned Big Sky All-Academic honors.

High School: Graduated from Tadeusz Kosciuszko's High School in 2011... in tennis he was ranked in the first 30s under 12, 14, 16 and 18 in Poland ... won several championships of the state, both in doubles and singles ... defeated some players ranked in  ITF Junior Worldlist.

Peronsal: Parents are Zdzislaw and Zofia Stempien ... has one brother, Kamil, and one sister, Kinga ... was born in Lodz, Poland ... birthdate is October 2, 1992... Major is Finance.