I'm back after my vacation in Florida; I must admit, I'm surprised that you didn't get a subref. However, I will work diligently on this challenge until it is completed, since I'm back and all.
Before Round 1:
HP: 90
Energy: 100
Atk: Rank 3
Def: Rank 4
SpA: Rank 3 (+)
SpD: Rank 2
Spe: 19 (-)
Boosts/Drops: -10 Eva
Status Conditions: None
HP: 90
Energy: 100
Atk: Rank 0 (-)
Def: Rank 2
SpA: Rank 3 (+)
SpD: Rank 3
Spe: 55
Boosts/Drops: None
Status Conditions: None
Battle 3 Begin
Action 1:
Ledyba uses Light Screen
Energy: 8
A Light Screen surrounds Ledyba (6A)
Cagnazzo uses AncientPower
RNG Roll for Hit: 59/100 (yes)
RNG Roll for Boosts: 93/100 (no)
RNG Roll for Crit: 16/16 (no)
Damage: (6-5+3+1.5(2-3))*2.25=5.625~6
Energy: 4-1=3
Action 2:
Ledyba uses Giga Drain
RNG Roll for Hit: 33/100 (yes)
RNG Roll for Crit: 7/16 (no)
Damage: (8-1+1.5(3-2))*2.25=19.125~19
Recovery: 19/2=9.5~10
Energy: 12
Cagnazzo uses Whirlpool
RNG Roll for Hit: 29/100 (yes)
RNG Roll for Crit: 4/16 (no)
Damage: (4-5+3+1.5(2-3))=0.5~1
Energy: 5-1=4
Ledyba is trapped in a Whirlpool (4A)
Ledyba takes 2 DMG (Whirlpool)
Action 3:
Ledyba uses Giga Drain
RNG Roll for Hit: 2/100 (yes)
RNG Roll for Crit: 6/16 (no)
Damage: (8-1+1.5(3-2))*2.25=19.125~19
Recovery: 19/2=9.5~10
Energy: 12+4=16
Cagnazzo uses AncientPower
RNG Roll for Hit: 6/100 (yes)
RNG Roll for Boosts: 5/100 (yes)
RNG Roll for Crit: 13/16 (no)
Damage: (6-5+3+1.5(2-3))*2.25=5.625~6
Energy: 4-1=3
Cagnazzo's Atk rises a stage
Cagnazzo's Def rises a stage
Cagnazzo's SpA rises a stage
Cagnazzo's SpD rises a stage
Cagnazzo's Spe rises a stage
Ledyba takes 2 DMG (Whirlpool)
After Round 1:
HP: 52
Energy: 90
Atk: Rank 3
Def: Rank 4
SpA: Rank 3 (+)
SpD: Rank 2
Spe: 19 (-)
Boosts/Drops: +1 Atk, +1 Def, +1 SpA, +1 SpD, +1 Spe, -10 Eva
Status Conditions: Whirlpooling (2A)
HP: 82
Energy: 64
Atk: Rank 0 (-)
Def: Rank 2
SpA: Rank 3 (+)
SpD: Rank 3
Spe: 55
Boosts/Drops: None
Status Conditions: Light Screen (3A), Whirlpool (2A)