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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Ra7 draw
3 Rah4 draw
4 Rf4 draw
5 Rg4 draw
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Raa3 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh5 loss in 2 half-moves
25 Rh7 loss in 2 half-moves
26 Rh8 loss in 2 half-moves
27 Rha3 loss in 2 half-moves
28 Rhh4 loss in 2 half-moves