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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ka8 draw
3 Kab6 draw
4 Kab7 draw
5 Kab8 draw
6 Kc8 draw
7 Kcb6 draw
8 Kcb7 draw
9 Kcb8 draw
10 Kd7 draw
11 Kd8 draw
12 Rb4 draw
13 Rc4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rg8 draw
18 Rh4 draw
19 Ka6 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves