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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 K2b3 draw
3 K2d2 draw
4 K2d3 draw
5 K3b3 draw
6 K3d2 draw
7 K3d3 draw
8 Kb1 draw
9 Kc1 draw
10 Kc4 draw
11 Kd1 draw
12 Ra2 draw
13 Rb1 draw
14 Rb3 draw
15 Rb4 draw
16 Rb5 draw
17 Kb4 loss in 1 half-moves
18 Kd4 loss in 1 half-moves
19 Rb6 loss in 1 half-moves
20 Rb8 loss in 1 half-moves