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

EGTB: win in 2 half-moves

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