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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ra7 win in 5 half-moves
3 Rh2 win in 5 half-moves
4 Rh3 win in 5 half-moves
5 Ka2 draw
6 Ka5 draw
7 Rc7 draw
8 Rg7 draw
9 Rh1 draw
10 Rh8 draw
11 K3b3 loss in 2 half-moves
12 K3b4 loss in 2 half-moves
13 K4b3 loss in 2 half-moves
14 K4b4 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves