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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kd1 draw
8 Kd2 draw
9 Kd3 draw
10 Ra5 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Rb4 draw
15 Kb4 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves