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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd3 draw
5 Rb3 draw
6 Rb4 draw
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb6 loss in 2 half-moves