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 Rh3 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg7 draw
8 Rh1 draw
9 Rh5 draw
10 Rh6 draw
11 Kaa2 loss in 2 half-moves
12 Kaa4 loss in 2 half-moves
13 Kab2 loss in 2 half-moves
14 Kab4 loss in 2 half-moves
15 Kba2 loss in 2 half-moves
16 Kba4 loss in 2 half-moves
17 Kbb2 loss in 2 half-moves
18 Kbb4 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves