2016-17: Named First-Team All-Big Ten ... Second straight first-team selection ... Recorded a 20-8 singles record in duals and 22-11 overall ... Played at No. 1, No. 2 and No. 3 singles ... Picked up sixteen of his wins at the second spot in the lineup ... Anchored the No. 1 doubles spot with partner Sam Shropshire ... Finished with 11 wins at the top spot and 16 doubles wins overall ... Also added three wins at No. 2 doubles ... Finishes in the top ten in program history for career singles winning percentage ... Also ranks ninth in NU history for career doubles winning percentage ... Was selected as an alternate for the NCAA singles tournament ... Named Big Ten Player of the Week on Jan. 24.

2015-16: Unanimous First-Team All-Big Ten selection ... Selected to the NCAA Singles Tournament ... Currently ranked No. 20 in the country by the ITA ... Reached as high as 8th in the national rankings ... 14-7 in the dual season, including 12-7 at No. 1 for Northwestern ... Boasts 14 wins over ranked opponents combined between fall and dual season ... Beat TCU's No. 15 Alex Rybakov in three sets (3/22) ... Partners with Sam Shropshire at No. 2 doubles ... Duo's .826 winning percentage (19-4) ranks fourth all-time at Northwestern for a single-season ... Duo also ranks sixth in program history with 19 doubles wins ... Opened the 2016 dual season ranked No. 16 in the nation ... Beat six ranked opponents during the fall season ... Qualified for the National Indoors in New York City, where he advanced to the Round of 16 (11/13) ... Advanced all the way to the semifinals of the ITA All-American Championships with six straight wins after starting in the qualifying draw (10/11). 

2014-15: Finished 9-5 in singles ... Anchored the No. 3 position in the second half of the dual-match season ... Playing at No. 3, won three singles matches in a row 4/12-19 and 3/27-29 ... Went 2-2 in fall singles play.

2013-14: Finished 10-8 in singles and 4-6 in doubles ... Competed at the No. 3 singles spot in the latter half of the dual-match season ... Won three singles matches in a row 4/13 to 4/20 at the No. 3 spot ... Achieved first collegiate dual match win over Boise State's Nathan Sereke 5-6, 6-5, 6-5 (1/17) ... Went 3-2 in fall season.

High School: Ranked as high as No. 13 with No. 3 Tennis RPI for U.S. players as well as a blue chip recruit according to TennisRecruiting.net ... No. 1 player in the Midwest region ... Winner of the Midwest Closed Regional Tournament in Boys 16s and 18s ... Winner of 18s National Regional Segment Tournament ... Round of 16 at US National Clay Court Singles Championships and quarterfinals of U.S. National Clay Court Doubles Championships ... Member of Midwest National Team champions.

Zieba's Stats

SINGLES RESULTS

Season	Overall W-L	Dual Match	Fall	Conference	1	2	3	4	5	6
2013-14	10-8	7-6	3-2	6-3	---	1-2	6-4	---	---	---
2014-15	9-5	7-3	2-2	5-2	---	---	7-3	---	---	---
2015-16	21-10	14-7	7-2	4-3	12-7	2-0	---	---	---	---
2016-17	22-11	20-8	2-3	5-5	1-0	16-8	3-0	---	---	---
Career	62-34	48-24	14-9	20-13	13-7	19-10	16-7	---	---	---

DOUBLES RESULTS

Season	Overall W-L	Dual Match	Fall	Conference	1	2	3
2013-14	4-6	3-5	1-1	1-5	---	3-5	---
2014-15	0-2	0-1	0-1	0-0	---	---	0-1
2015-16	20-5	20-4	0-1	7-2	---	19-4	1-0
2016-17	16-12	14-11	2-1	5-5	11-10	3-1	---
Career	40-25	37-21	3-4	13-12	11-10	25-10	1-1