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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Ra7 win in 5 half-moves
4 Rb7 win in 5 half-moves
5 Ka1 draw
6 Ka2 draw
7 Ka3 draw
8 Ka5 draw
9 Kb2 draw
10 Kb3 draw
11 Kb4 draw
12 Kb5 draw
13 Rg7 draw
14 Rh3 draw
15 Rh6 draw
16 Rh8 draw
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves