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 Kb8 draw
7 Kc7 draw
8 Kcb6 draw
9 Kcb7 draw
10 Kd6 draw
11 Kd7 draw
12 Rb5 draw
13 Rf1 draw
14 Rf6 draw
15 Rf7 draw
16 Rf8 draw
17 Rg5 draw
18 Rh5 draw
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rf4 loss in 2 half-moves