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 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Rb2 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Rb8 draw
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rc1 loss in 2 half-moves