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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 K6b6 draw
3 K6d6 draw
4 K6d7 draw
5 K7b6 draw
6 K7d6 draw
7 K7d7 draw
8 Kb8 draw
9 Kc5 draw
10 Kc8 draw
11 Kd8 draw
12 Ra7 draw
13 Rb3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rb8 draw
18 Kb5 loss in 1 half-moves
19 Kd5 loss in 1 half-moves
20 Rb2 loss in 1 half-moves