Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 5 half-moves

# move score
1 Kc6 loss in 4 half-moves
2 a3 loss in 2 half-moves
3 Kc7 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Ke6 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Kc5 loss in 1 half-moves
16 Kd5 loss in 1 half-moves
17 Ke5 loss in 1 half-moves
18 Rb5 loss in 1 half-moves