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 Rc8 win in 5 half-moves
3 Rb8 draw
4 Rd8 draw
5 Re8 draw
6 Rf3 draw
7 Rf4 draw
8 Rf5 draw
9 Rf6 draw
10 Kaa1 loss in 2 half-moves
11 Kaa3 loss in 2 half-moves
12 Kab1 loss in 2 half-moves
13 Kab3 loss in 2 half-moves
14 Kba1 loss in 2 half-moves
15 Kba3 loss in 2 half-moves
16 Kbb1 loss in 2 half-moves
17 Kbb3 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves