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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kd1 draw
3 Kf1 draw
4 Kg7 draw
5 Kg8 draw
6 Kh8 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rc1 draw
11 Rd1 draw
12 Kd2 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves