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 K4b4 draw
3 K4d4 draw
4 K5b4 draw
5 K5d4 draw
6 Kb3 draw
7 Kb6 draw
8 Kc3 draw
9 Kc6 draw
10 Kd3 draw
11 Ra5 draw
12 K4d5 loss in 1 half-moves
13 K5d5 loss in 1 half-moves
14 Kd6 loss in 1 half-moves
15 Rb1 loss in 1 half-moves
16 Rb2 loss in 1 half-moves
17 Rb3 loss in 1 half-moves
18 Rb4 loss in 1 half-moves
19 Rb6 loss in 1 half-moves
20 Rb8 loss in 1 half-moves