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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kc7 draw
6 Kc8 draw
7 Ra8 draw
8 Rc8 draw
9 Rh8 draw
10 Kb6 loss in 2 half-moves
11 Kc6 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