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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc3 draw
5 Kcc2 draw
6 Kcd1 draw
7 Kdc2 draw
8 Kdd1 draw
9 Ke1 draw
10 Ke2 draw
11 Ra1 draw
12 Ra2 draw
13 Ra8 draw
14 Rb7 draw
15 Rc7 draw
16 Rd7 draw
17 Rh7 draw
18 Kd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves