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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kc8 draw
5 Rc8 draw
6 Rd5 draw
7 Ka7 loss in 10 half-moves
8 Ka8 loss in 6 half-moves
9 Rd7 loss in 6 half-moves
10 Rd6 loss in 4 half-moves
11 Rd1 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Rd3 loss in 1 half-moves
17 Rd4 loss in 1 half-moves