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 Kf1 draw
5 Rc2 draw
6 Rc3 draw
7 Rc4 draw
8 Rc8 draw
9 Rd1 draw
10 Ke2 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves