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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kab6 draw
5 Kab7 draw
6 Kab8 draw
7 Kc6 draw
8 Kc8 draw
9 Kcb6 draw
10 Kcb7 draw
11 Kcb8 draw
12 Kd6 draw
13 Kd7 draw
14 Kd8 draw
15 Ra4 draw
16 Ra5 draw
17 Rb3 draw
18 Rf3 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves