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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Ra1 draw
8 Rc2 draw
9 Rc3 draw
10 Rd1 draw
11 Rc4 loss in 4 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves