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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kc6 draw
3 Kc8 draw
4 Kd6 draw
5 Kd8 draw
6 Ra7 draw
7 Rc1 draw
8 Rc2 draw
9 Rc3 draw
10 Rc5 draw
11 Rc8 draw
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc6 loss in 2 half-moves