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 Rb6 draw
3 Rf1 draw
4 Rf5 draw
5 Rf7 draw
6 Rff8 draw
7 Rfh6 draw
8 Rg6 draw
9 Rg8 draw
10 Rh1 draw
11 Rh5 draw
12 Rh7 draw
13 Rhf8 draw
14 Rhh6 loss in 4 half-moves
15 Ra6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Rh3 loss in 2 half-moves
28 Rh4 loss in 2 half-moves