The 1999 SEAT Open Luxembourg – Doubles was the doubles event of the ninth edition of the most prestigious women's tennis tournament held in Luxembourg. Elena Likhovtseva and Ai Sugiyama was the defending champion but she did not compete in this year.
Alena and Ei were the defending champions but she did opted out this year
It is Elena and ai that were defending champions not alena and ei
( z1 contrast :ARG1 ( z2 and :op ( z3 champion :domain ( z4 and :op ( z5 person :name ( z6 name :op "Alena" ) ) :op ( z7 person :name ( z8 name :op "Ei" ) ) ) :ARG0-of ( z9 defend ) ) ) :ARG2 ( z10 opt :ARG0 z5 :ARG1 ( z11 out ) :time ( z12 year :mod ( z13 this ) ) ) )