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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Raa8 draw
3 Rb7 draw
4 Rb8 draw
5 Rc2 draw
6 Rca8 draw
7 Rcc7 draw
8 Rd7 draw
9 Rd8 draw
10 Rh7 draw
11 Rh8 draw
12 Rac7 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves