2006 Rankings by Age
- top 10
- players age 15-19

 Age Rank Name                     Nation
 15  1079 Yang, Tsung-Hua           TPE
     1542 Buchanan, Chase           USA

 16   866 Kim, Cheong-Eui           KOR
      934 Camilo, Rafael            BRA
      937 Elias, Gastao             POR
     1070 Constantin, Alin Mihai    ROM
     1116 Wagh, Akash               IND
     1194 Cox, Daniel               GBR
     1249 Eysseric, Jonathan        FRA
     1282 Narayanaswamy, Srirambalaji IND
     1375 Pella, Guido              ARG
     1424 Kelly, Dayne              AUS
     1424 Siributwong, Peerakit     THA
     1424 Thurner, David            GER

 17   495 Young, Donald             USA
      603 Nishikori, Kei            JPN
      650 McClune, Michael          USA
      766 Gojowczyk, Peter          GER
      873 Gonzalez, Alejandro       COL
      925 Klein, Brydan             AUS
      969 Peralta, Eduardo          MEX
      991 Echazu, Mauricio          PER
     1012 Roumenov, Georgi          BUL
     1085 Bai, Yan                  CHN

 18    92 Del Potro, Juan Martin    ARG
      102 Korolev, Evgueni          RUS
      140 Gulbis, Ernests           LAT
      170 Cilic, Marin              CRO
      266 Dolgopolov, Alexander     UKR
      314 Sidorenko, Alexandre      FRA
      324 Lindahl, Nick             AUS
      447 Mannarino, Adrian         FRA
      465 De Bakker, Thiemo         NED
      497 Sugita, Yuichi            JPN

 19    16 Djokovic, Novak           SRB
       17 Murray, Andy              GBR
      130 Querrey, Samuel           USA
      151 Zverev, Michael           GER
      167 Haase, Robin              NED
      175 Giraldo, Santiago         COL
      223 Kuznetsov, Alex           USA
      231 Lacko, Lukas              SVK
      246 Mayer, Leonardo           ARG
      247 Fognini, Fabio            ITA