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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka7 draw
3 Kb5 draw
4 Kb7 draw
5 Kc1 draw
6 Ke1 draw
7 Ra1 draw
8 Rb2 draw
9 Ka5 loss in 4 half-moves
10 Ka6 loss in 4 half-moves
11 Kc2 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc1 loss in 2 half-moves