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 Rb8 win in 1 half-moves
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Kf1 draw
11 Kf3 draw
12 Kg1 draw
13 Kg2 draw
14 Kg3 draw
15 Rb2 draw
16 Rb3 draw
17 Rb4 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves