Of the eight American men in the top 100 of the ATP rankings released Monday, four rose, including two significantly, three dropped only slightly, and one, Andy Roddick, held his ground.

Robby Ginepri and Wayne Odesnik were the big movers. Of the highest ranked Americans, Roddick, held onto his number six spot, while James Blake moved up one point, bypassing David Nalbandian to take the seventh spot on the list, right behind Roddick.

Ginepri, who reached the fourth round of the French Open, made the biggest leap, moving 29 points to the No. 59 ranking, putting him into contention for an Olympic bid. Odesnik, who reached the third round in Paris, jumped ten points and cracked the top 100, settling at 96^th.

Also rising in the top 100 was Mardy Fish who moved three spots to 36.

The most significant drop of any American man in the top 100 was Donald Young, who fell five points to 88 after his first round French Open loss to Ginepri (the exact ranking held by Ginepri before the French Open). Sam Querrey dropped one point to 41, and John Isner dropped two points to 84.

Farther down the rankings, 25-year-old Amer Delic, a native Bosnian who now lives in Jacksonville, Fla., moved 20 points from 149 to 129 in the ATP Rankings. He did not play Roland Garros but won the Carson, Calif.,-challenger in late May. A huge move was made by 27-year-old Michael Yani who won the Yuba City Challenger last week by beating fellow American and world No. 134-ranked Sam Warburg. Yani jumped 105 points to take the 253^rd rung on the world ladder. It is the highest ranking ever for Yani, a native of Singapore who lives in Durham, N.C. He played college tennis for Duke.

The biggest drop in the top 200 by an American was suffered by Kevin Kim who fell 25 points to 188. For the complete rankings, visit the rankings section of the ATP website, undoubtedly the best web site in all of men’s tennis.