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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rb7 draw
3 Rb8 draw
4 Kb2 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kcd2 loss in 2 half-moves
8 Kcd3 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ked2 loss in 2 half-moves
14 Ked3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves