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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Kb7 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kcc5 loss in 2 half-moves
8 Kcd6 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kdc5 loss in 2 half-moves
12 Kdd6 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves