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 K1b1 draw
3 K1b2 draw
4 K1d1 draw
5 K1d2 draw
6 K2b1 draw
7 K2b2 draw
8 K2d1 draw
9 K2d2 draw
10 Kb3 draw
11 Ra8 draw
12 Rc8 draw
13 Rg1 draw
14 Rg2 draw
15 Rg3 draw
16 Rg7 draw
17 Rh8 draw
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves