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 Rf2 draw
3 Rg1 draw
4 Rg3 draw
5 Rg7 draw
6 Rg8 draw
7 Rh2 draw
8 Ra2 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rd2 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves