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

EGTB: win in 6 half-moves

# move score
1 Rf7 win in 5 half-moves
2 Rf8 win in 5 half-moves
3 Rd4 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rg4 draw
8 Rh4 draw
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kba7 loss in 2 half-moves
16 Kbb6 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves