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

EGTB: win in 4 half-moves

# move score
1 Ra5 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 Rb1 draw
16 Rb6 draw
17 Rb7 draw
18 Rb8 draw
19 Rf5 draw
20 Rg5 draw
21 Rh5 draw
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Re5 loss in 2 half-moves