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