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