Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
USA
12.01.78, 47 years
50498 $
12.01.78, 47 years
50498 $
Michael Yani vs. Jeff Williams - head to head matches
| 19.06.06 | 1/4 | Michael Yani | Jeff Williams | 6-2, 1-0, Jeff Williams - retired | match details |  USA F13 | Hard |
Michael Yani form & Jeff Williams form
Michael Yani - last matches
 London - Grass | ||||
| 17.06.13 q 1 | vs. Denys Molchanov | 3-6, 6-75 |  | match details |
| Houston - Clay | ||||
| 06.04.13 q 1 | vs. John Peers | 7-5, 5-7, - Michael Yani - retired | | match details |
 Dubai - Hard | ||||
| 23.02.13 q 1 | vs. Florent Serra | 6-4, 6-72, 4-6 | | match details |
| Dallas Challenger - I. hard | ||||
| 06.02.13 2nd round | vs. Frank Dancevic | 4-6, 1-6 | | match details |
| 05.02.13 1st round | vs. Moritz Baumann | 6-4, 7-5 |  | match details |
 Melbourne - Hard | ||||
| 12.01.13 qual. | vs. Alex Jr. Bogomolov | 3-6, 3-4, - Michael Yani - retired | | match details |
| 11.01.13 q 2 | vs. Ti Chen | 6-2, 7-5 | | match details |
| 09.01.13 q 1 | vs. Mirza Basic | 6-3, 3-6, 6-3 | | match details |
| Sydney - Hard | ||||
| 05.01.13 q 1 | vs. Jay Andrijic | 3-6, 2-2, - Michael Yani - retired | | match details |
 Doha - Hard | ||||
| 29.12.12 q 1 | vs. Josselin Ouanna | 4-6, 4-6 | | match details |
| Loughborough Challenger - I. hard | ||||
| 05.11.12 1st round | vs. Thomas Fabbiano | 7-66, 4-6, 4-6 | | match details |
 Seoul Challenger - Hard | ||||
| 24.10.12 2nd round | vs. Kenny de Schepper | 3-6, 3-6 | | match details |
| 23.10.12 1st round | vs. Farrukh Dustov | 6-2, 6-3 | | match details |
| Tiburon Challenger - Hard | ||||
| 09.10.12 1st round | vs. Rhyne Williams | 3-6, 4-6 | | match details |
 Kuala Lumpur - I. hard | ||||
| 26.09.12 2nd round | vs. Vasek Pospisil | 3-6, 5-7 | | match details |
| 24.09.12 1st round | vs. Brian Baker | 6-3, 7-64 | | match details |
| 23.09.12 qual. | vs. Sanam Singh | 6-4, 7-64 | | match details |
| 22.09.12 q 2 | vs. Syed Mohd Agil Syed Naguib | 7-5, 6-1 | | match details |
 Shanghai Challenger - Hard | ||||
| 08.09.12 1/2 | vs. Peter Gojowczyk | 7-5, 6-75, 4-6 | | match details |
| 07.09.12 1/4 | vs. James Ward | 7-5, James Ward - retired | | match details |
| 06.09.12 2nd round | vs. Tatsuma Ito | 6-4, 2-6, 6-3 | | match details |
| 05.09.12 1st round | vs. Vishnu Vardhan | 7-5, 6-4 | | match details |
| New York - Hard | ||||
| 21.08.12 q 1 | vs. Guido Pella | 3-6, 6-75 | | match details |
| Aptos Challenger - Hard | ||||
| 07.08.12 1st round | vs. Jeff Dadamo | 3-6, 1-6 | | match details |
 Vancouver Challenger - Hard | ||||
| 30.07.12 1st round | vs. Bradley Klahn | 6-4, 0-6, 6-75 | | match details |
| Lexington Challenger - Hard | ||||
| 24.07.12 1st round | vs. Denis Kudla | 6-4, 3-6, 5-7 | | match details |
| Binghamton Challenger - Hard | ||||
| 22.07.12 fin | vs. Fritz Wolmarans | 6-4, 7-611 | | match details |
| 21.07.12 1/2 | vs. Daniel King-Turner | 7-5, 6-4 | | match details |
| 20.07.12 1/4 | vs. Jamie Baker | 6-0, 6-4 | | match details |
| 18.07.12 2nd round | vs. Alex Bogdanovic | 6-3, 6-4 | | match details |
Jeff Williams - last matches
| USA F29 - Hard | ||||
| 13.11.06 1st round | vs. Dudi Sela | 5-7, 0-2, - Jeff Williams - retired | | match details |
| USA F28 - Hard | ||||
| 06.11.06 1st round | vs. Jonathan Chu | 6-3, 6-2 | | match details |
| 06.11.06 2nd round | vs. Christoph Palmanshofer | 6-3, 6-3 | | match details |
| 06.11.06 1/4 | vs. Aleksandar Vlaski | 6-3, 1-6, 2-6 | | match details |
| USA F26 - Hard | ||||
| 16.10.06 2nd round | vs. Ryler Deheart | 3-6, 6-3, 4-6 | | match details |
| 16.10.06 1st round | vs. Michael Venus | 6-4, 6-3 | | match details |
| Tulsa - Hard | ||||
| 25.09.06 q 1 | vs. Vladimir Obradovic | 6-73, 6-74 | | match details |
| Lubbock - Hard | ||||
| 18.09.06 q 1 | vs. Victor Kolik | 6-2, 6-1 | | match details |
| 18.09.06 q 2 | vs. Brendan Evans | 4-6, 2-6 | | match details |
| Vancouver - Hard | ||||
| 01.08.06 1st round | vs. Alex Kuznetsov | 7-5, 1-6, 4-6 | | match details |
| 31.07.06 qual. | vs. Jamie Baker | 7-63, 6-4 | | match details |
| 31.07.06 q 1 | vs. Chris Drake | 6-1, 6-3 | | match details |
| 31.07.06 q 2 | vs. Alexander Reichel | 6-73, 6-2, 6-1 | | match details |
| Los Angeles - Hard | ||||
| 23.07.06 q 2 | vs. Zack Fleishman | 6-75, 4-6 | | match details |
| 22.07.06 q 1 | vs. Jason Zimmermann | 6-2, 6-1 | | match details |
| Aptos - Hard | ||||
| 17.07.06 q 2 | vs. Dennis Lajola | 6-0, 6-0 | | match details |
| 17.07.06 q 1 | vs. Parker Larsen | 6-0, 6-0 | | match details |
| 17.07.06 qual. | vs. Tobias Clemens | 6-2, 1-6, 6-71 | | match details |
| Newport - Grass | ||||
| 08.07.06 q 1 | vs. Mirko Pehar | 6-75, 1-6 | | match details |
| Winnetka - Hard | ||||
| 03.07.06 q 2 | vs. Ti Chen | 3-6, 2-6 | | match details |
| 03.07.06 q 1 | vs. Adam Feeney | 6-2, 7-65 | | match details |
| USA F13 - Hard | ||||
| 19.06.06 1st round | vs. Michael Venus | 6-2, 6-2 | | match details |
| 19.06.06 2nd round | vs. Nikita Kryvonos | 6-4, 3-6, 7-66 | | match details |
| 19.06.06 1/4 | vs. Michael Yani | 2-6, 0-1, - Jeff Williams - retired | | match details |
| USA F12 - Hard | ||||
| 12.06.06 1/4 | vs. Brendan Evans | 6-75, 2-6 | | match details |
| 12.06.06 1st round | vs. Tyler Cleveland | 6-1, 6-3 | | match details |
| 12.06.06 2nd round | vs. Scott Oudsema | 6-4, 7-63 | | match details |
| Yuba City - Hard | ||||
| 05.06.06 q 2 | vs. Horia Tecau | 4-6, 1-1, - Jeff Williams - retired | | match details |
| 05.06.06 q 1 | vs. Tyler Hochwalt | 7-65, 6-1 | | match details |
| Forest Hills - Clay | ||||
| 15.05.06 q 1 | vs. Taylor Craybill | 6-0, 6-1 | | match details |
