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 Rb7 draw
3 Re7 draw
4 Rf7 draw
5 Rg7 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh5 draw
10 Rh6 draw
11 K1e2 loss in 2 half-moves
12 K1f2 loss in 2 half-moves
13 K1g2 loss in 2 half-moves
14 K3e2 loss in 2 half-moves
15 K3f2 loss in 2 half-moves
16 K3g2 loss in 2 half-moves
17 Ke1 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Kg4 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves