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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Rh1 win in 5 half-moves
3 Ra7 draw
4 Rb7 draw
5 Rg7 draw
6 Rh3 draw
7 Rh4 draw
8 Rh8 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kdd2 loss in 2 half-moves
12 Kde2 loss in 2 half-moves
13 Ked2 loss in 2 half-moves
14 Kee2 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves