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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 win in 9 half-moves
3 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Ka8 draw
8 Kb4 draw
9 Kb6 draw
10 Kb7 draw
11 Kc4 draw
12 Kc5 draw
13 Kc6 draw
14 Kc7 draw
15 Kc8 draw
16 Rc7 draw
17 Rd7 draw
18 Rh2 draw
19 Rh8 draw
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves