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