ITF

36 • ITF Global Tennis Report 2019 Junior player ranking conversion to junior Top 100 CONVERSION RATE (%) The percentage of players achieving their first junior ranking (between 1 January 2003 and 31 December 2012) who later earned a Top 100 junior ranking (by 31 December 2017). • A similar percentage of boys (7.8%) and girls (7.4%) achieved a Top 100 junior ranking. • Boys and girls from Tier 4 na ons were more likely to transi on to the junior Top 100 than players from other na ons. (See Appendix H page 561 for more detail about ITF Development Eligibility Tiers.) • Europe, North America and Oceania had the highest percentage of boys and girls achieving a Top 100 junior ranking. See Fig 40, 41 and 42 CONVERSION SPEED (WEEKS) The average me that it took for Top 100 ranked juniors in 2017 to break through to the junior Top 100 for the first me. This is measured in weeks, from first junior ranking un l first entering the junior Top 100. • On average, boys took 3 weeks less than girls to transi on from first junior ranking to the junior Top 100 – it took 106 weeks for boys compared to 109 weeks for girls. See Fig 43 • Girls in North America and boys in South America converted to the junior Top 100 faster than juniors from other regions. See Fig 44 5.0 5.5 6.0 6.5 7.0 7.5 8.0 Fig 40. Junior conversion rate to junior Top 100 by gender (%) Female Male 7.4 7.8 0 5 10 15 Fig 41. Junior to junior Top 100 median er conversion rate by ITF Development Eligibility Tier (%) Female Male 9.6 5.8 1.7 0.0 11.9 7.5 2.2 0.0 TIER 4 TIER 3 TIER 2 TIER 1 TIER 4 TIER 3 TIER 2 TIER 1

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