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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kcd7 draw
8 Kcd8 draw
9 Kd6 draw
10 Ke7 draw
11 Ked7 draw
12 Ked8 draw
13 Kf7 draw
14 Kf8 draw
15 Ra4 draw
16 Ra6 draw
17 Ra7 draw
18 Ra8 draw
19 Re5 draw
20 Rg5 draw
21 Rh5 draw
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rd5 loss in 2 half-moves