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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Rh6 win in 3 half-moves
4 Rh8 win in 3 half-moves
5 K6a7 draw
6 K6b7 draw
7 K8a7 draw
8 K8b7 draw
9 Kb5 draw
10 Kb6 draw
11 Kb8 draw
12 Ra4 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Rh3 draw
17 Rh7 draw
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves