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 Rd8 win in 3 half-moves
4 Re8 win in 3 half-moves
5 Ra8 draw
6 Rh1 draw
7 Rh2 draw
8 Rh5 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kcc2 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kdc2 loss in 2 half-moves
18 Kdd2 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves