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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Rd4 draw
3 Rd6 draw
4 Rf8 draw
5 Rg8 draw
6 Kg1 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Kg3 loss in 2 half-moves
9 Kh1 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rd2 loss in 1 half-moves