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 Kc5 win in 9 half-moves
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb5 draw
7 Kb7 draw
8 Kc6 draw
9 Kc7 draw
10 Kd1 draw
11 Ra1 draw
12 Rc1 draw
13 Rd1 draw
14 Kd2 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves