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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Rh8 win in 3 half-moves
4 Ra3 draw
5 Rb3 draw
6 Re3 draw
7 Rh4 draw
8 Rh5 draw
9 Ka6 loss in 2 half-moves
10 Kaa8 loss in 2 half-moves
11 Kab7 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kba8 loss in 2 half-moves
14 Kbb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves