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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Rb4 draw
3 Rc4 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rg4 draw
8 Rh4 draw
9 Kaa6 loss in 2 half-moves
10 Kaa8 loss in 2 half-moves
11 Kab6 loss in 2 half-moves
12 Kab8 loss in 2 half-moves
13 Kba6 loss in 2 half-moves
14 Kba8 loss in 2 half-moves
15 Kbb6 loss in 2 half-moves
16 Kbb8 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 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves