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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Ra1 draw
4 Rc1 draw
5 Rd1 draw
6 Rh2 draw
7 Rh3 draw
8 Rh4 draw
9 Rh8 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kcc5 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kdc5 loss in 2 half-moves
20 Kdd6 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ke6 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves
28 Rh7 loss in 2 half-moves