Seven Big Ten women's tennis teams appear in the latest ITA College Tennis Rankings, released on Tuesday. Northwestern leads all conference squads in the rankings, coming in at No. 8. Michigan joins Northwestern in the top 20, checking in at No. 16, with Purdue (No. 31), Indiana (No. 37), Illinois (No. 42), Nebraska (No. 53) and Penn State (No. 65) also ranking in the top 65.