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

EGTB: win in 2 half-moves

# move score
1 K3d4 win in 1 half-moves
2 Kd5 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 K3b4 loss in 2 half-moves
5 K4b4 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 K3d3 loss in 1 half-moves
18 K4d3 loss in 1 half-moves
19 K4d4 loss in 1 half-moves
20 Kd2 loss in 1 half-moves