Harvard Athletics will host two championship events this weekend as the men's tennis team plays in the NCAA Region I qualifier at the Beren Tennis Center and the baseball team meets either Penn or Princeton in the Ivy Championship series at O'Donnell Field.

In tennis, the EITA champion Crimson is hosting the six-team NCAA Region I Championships. Harvard, seeded third in the region and ranked 30th in the country, will face Dartmouth on Friday at 2 p.m. Earlier on Friday, at 9 a.m., Penn State will meet Virginia Tech. On Saturday at 9 a.m., top-seeded South Alabama will play the Tech-State winner and the Harvard-Dartmouth winner will meet the University of Miami at 2 p.m. The championship match will be on Sunday at 1 p.m. Daily admission, which inclues a free program, is priced at $5. Admission for students and children is $3.

The baseball team, which has won the Red Rolfe Division for the second straight year, will host the Ivy League Championship series on Saturday at 12 noon at the newly named O'Donnell Field. There will be a doubleheader on Saturday and, if necesary, a single game on Sunday (1 p.m.) to determine the League champion. The Ivy champion goes on to the NCAA play-in series against the Patriot Division Champion. Harvard's baseball team has a 27-11

record and is ranked No. 2 in New England.

Other teams in action this weekend include the women's tennis team in the NCAAs at Brown, and the men's heavyweight and lightweight crews in the Eastern Sprints at Worcester.