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 Ra7 draw
3 Rff8 draw
4 Rfg7 draw
5 Rgf8 draw
6 Rh7 draw
7 Rh8 draw
8 Rgg7 loss in 4 half-moves
9 Rb7 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rg6 loss in 2 half-moves