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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rc8 win in 5 half-moves
3 Rb8 draw
4 Rd8 draw
5 Re8 draw
6 Rh1 draw
7 Rh2 draw
8 Rh5 draw
9 Kaa1 loss in 2 half-moves
10 Kaa3 loss in 2 half-moves
11 Kab1 loss in 2 half-moves
12 Kab3 loss in 2 half-moves
13 Kba1 loss in 2 half-moves
14 Kba3 loss in 2 half-moves
15 Kbb1 loss in 2 half-moves
16 Kbb3 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh3 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