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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Ke1 draw
3 Ke2 draw
4 Rc6 draw
5 Kc2 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc7 loss in 2 half-moves