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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ra8 draw
4 Re8 draw
5 Rh1 draw
6 Rh2 draw
7 Rh3 draw
8 Rh5 draw
9 K1b1 loss in 2 half-moves
10 K1b2 loss in 2 half-moves
11 K1d1 loss in 2 half-moves
12 K1d2 loss in 2 half-moves
13 K2b1 loss in 2 half-moves
14 K2b2 loss in 2 half-moves
15 K2d1 loss in 2 half-moves
16 K2d2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Rh7 loss in 2 half-moves