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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 Rc8 win in 5 half-moves
3 Rb8 draw
4 Rd8 draw
5 Rg4 draw
6 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Rh8 draw
10 Kaa2 loss in 2 half-moves
11 Kaa4 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kab4 loss in 2 half-moves
14 Kba2 loss in 2 half-moves
15 Kba4 loss in 2 half-moves
16 Kbb2 loss in 2 half-moves
17 Kbb4 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 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