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 Ra8 draw
3 Rb8 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rg8 draw
8 Rh8 draw
9 Rc1 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves