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