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

EGTB: win in 4 half-moves

# move score
1 K4b3 win in 3 half-moves
2 K4d3 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 K3d3 win in 5 half-moves
5 Rb1 win in 5 half-moves
6 K3d4 win in 7 half-moves
7 K3b3 draw
8 K4d4 draw
9 Kb2 draw
10 Kc2 draw
11 Kd2 draw
12 Ra4 draw
13 Rb3 draw
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves