|High School:||Tilemannschule Limburg|
- 2016 All-Conference Singles First Team
- 2015 All-Sun Belt Singles First Team
- 2014 All-Sun Belt Singles First Team
- Sun Belt Player of the Week: March 12, 2015
- Sun Belt Player of the Week: March 5, 2015
- Sun Belt Player of the Week: Feb. 12, 2015
- Spring 2017 President's List
2016 Sun Belt Commissioner's List
- Spring 2016 President's List
- Fall 2015 President's List
- 2015 ITA Scholar Athlete
- Spring 2015 President's List
- Fall 2014 President's List
- Spring 2014 President's List
- Fall 2013 President's List
Went 9-10 in singles play, primarily at the No. 3 position … Had two match clinching wins for the Panthers, including the 4-3 victory over No. 2 South Alabama in the Sun Belt Tournament championship … Fought back from a 5-2 deficit in the tie-breaker set to win the Sun Belt Tournament for GSU, earning a 6-2, 5-7, 7-5 defeat of Olivier Gingras … Went 3-7 in doubles play with partner Zackery Kennedy at the No. 1 position.
Competed in four tournaments during the fall season … Went 6-6 in singles play … Placed third in the A2 singles bracket at the Wake Forest Invite … Earned a 5-2 doubles record with partners Giles Hussey and Zackery Kennedy … Placed first in the A3 doubles bracket of the Wake Forest Invite as the No. 1 seed with Kennedy.
Competed in all 23 spring matches at the No. 1 position for an 11-8 singles record … Had two wins over ranked players, including the match-clinching win over then-No. 95 Tin Ostojic from then-No.65 Wichita State … Had four match-clinching wins, the second most on the team … Scored the only point in the 6-1 loss against then-No. 65 Alabama, defeating then-No. 106 Korey Lovett … Had a 9-8 doubles record, where he primarily played at the No. 3 position with Felipe Jaworski.
Competed in four tournaments for a 8-5 singles record ... Won the fifth place bracket at the Wake Forest Fall Invite ... Paired with Felipe Jaworski and Giles Hussey for a 12-2 doubles record ... Won doubles flights with Hussey at the Georgia Tech Fall Invite and the Wake Forest Fall Invite.
No. 1 singles player ... Tied for first on team with 11 dual wins ... Went 11-8 at top spot while earning two top-50 singles wins ... Defeated No. 42 Samir Iftikhar in straight sets in back-to-back contests ... Cracked the ITA rankings, coming in at No. 111 on March 10 ... Won six doubles matches with three wins coming at Nos. 2 and 3 each ... Played majority of doubles competition with Felipe Jaworski.
Went 5-9 in singles play against stiff competition … Faced two players ranked in the top 75 and went head-to-head with players from ranked schools 12 times … At the Georgia Tech Fall Invitational, Koeke went to three sets with No. 44 Auburn's Dante Saleh before emerging victorious … Defeated No. 50 UNCW's Christiaan Van der Burgh in three sets at Wake Forest and followed that with straight-set win over No. 52 Elon's Stefan Fortmann … Went 4-6 with doubles partner Felipe Jaworski … Won a consolation match at Wake Forest against No. 30 Wake Forest's Matt Erdman and Nicholas Osterling … Faced six ranked schools in doubles competition.
Named to Sun Belt All-Conference Singles First Team ... Was named the Sun Belt's men's tennis Player of the Week three times, more than any other men's player this season ... Went 13-9 overall and 8-3 at No. 2 singles ... Won six matches against players from ranked teams, the highest Sebastian Sachs of No. 29 Oklahoma State ... Was 10-10 at doubles ... Was 8-7 at Nos. 2 and 3 doubles with Eric Baum.
Went 5-4 in singles play ... Picked up first Georgia State win with a straight-set victory over Georgia Southern's Oliver Webb at No. 2 singles ... Went 4-4 in doubles.
Took third place in German Championship with team ... Defeated the No. 300 ATP player in juniors ... Attended Tilemannschule Limburg in Limburg, Germany.
Jannis Koeke (pronounced “YAN-nis COKE-ee”) was born in Limburg, Germany on Feb. 17, 1994 ... Son of Henning and Nikola Koeke ... Has two brothers, Linus and Niklas ... Major is finance.