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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rg8 draw
3 Rh1 draw
4 Rh2 draw
5 Rh3 draw
6 Rh7 draw
7 Ra8 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 Rh5 loss in 2 half-moves
14 Rh6 loss in 2 half-moves