challenge: What was the outcome of the 2013 US Open boys' doubles final for Martin Redlicki and Kamil Majchrzak?
  
  A. Defeated Quentin Halys and Frederico Ferreira Silva 7–6, 6–2
  B. Defeated Quentin Halys and Frederico Ferreira Silva 6–3, 6–4
  C. Lost to Quentin Halys and Frederico Ferreira Silva 3–6, 4–6
  D. Lost to Quentin Halys and Frederico Ferreira Silva 6–7, 4–6
  Answer: 