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

EGTB: win in 2 half-moves

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