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 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rh1 draw
9 Rh5 draw
10 Ka2 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves