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

EGTB: win in 4 half-moves

# move score
1 K7b7 win in 3 half-moves
2 K7b8 win in 3 half-moves
3 K8b7 win in 3 half-moves
4 K8b8 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kd6 win in 3 half-moves
8 Rb5 win in 3 half-moves
9 Rc5 win in 3 half-moves
10 Rd5 win in 3 half-moves
11 Ra6 win in 5 half-moves
12 K7d7 draw
13 K7d8 draw
14 K8d7 draw
15 K8d8 draw
16 Ra4 draw
17 Ra7 draw
18 Ra8 draw
19 Re5 draw
20 Rf5 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves