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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 K3a4 draw
3 K3b4 draw
4 K5a4 draw
5 K5b4 draw
6 Ka2 draw
7 Ka6 draw
8 Kb2 draw
9 Kb3 draw
10 Kb5 draw
11 Ra8 draw
12 Rc8 draw
13 Rd8 draw
14 Rh1 draw
15 Rh2 draw
16 Rh3 draw
17 Rh7 draw
18 Kb6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh4 loss in 2 half-moves
23 Rh5 loss in 2 half-moves
24 Rh6 loss in 2 half-moves