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

EGTB: win in 4 half-moves

# move score
1 Rc2 win in 3 half-moves
2 Ra5 draw
3 Rb5 draw
4 Rc4 draw
5 Rc6 draw
6 Rc7 draw
7 Rc8 draw
8 Rg5 draw
9 Rh5 draw
10 Rc1 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Rf5 loss in 2 half-moves