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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Kd6 draw
3 Ra5 draw
4 Rb5 draw
5 Rc1 draw
6 Rc2 draw
7 Rc3 draw
8 Rc4 draw
9 Rc6 draw
10 Rc8 draw
11 Kc4 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves