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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rc5 win in 1 half-moves
3 Kc7 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Rb8 draw
8 Rc4 draw
9 Rc6 draw
10 Rc7 draw
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves