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