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

EGTB: win in 4 half-moves

# move score
1 Kcb4 win in 3 half-moves
2 Kab4 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Ka2 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Kab2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kcb2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves