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

EGTB: win in 4 half-moves

# move score
1 Rh1 win in 3 half-moves
2 Rh3 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 K1a2 draw
5 K1b2 draw
6 K3a2 draw
7 K3b2 draw
8 Kb1 draw
9 Kb3 draw
10 Rc5 draw
11 Rd5 draw
12 Re5 draw
13 Rf5 draw
14 Rg5 draw
15 Rh2 draw
16 Ka4 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves