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 Ka6 win in 3 half-moves
3 Ka7 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Kb8 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Re8 win in 3 half-moves
8 Kb7 win in 5 half-moves
9 Kc4 draw
10 Kc5 draw
11 Kc6 draw
12 Rc6 draw
13 Rd6 draw
14 Re3 draw
15 Re4 draw
16 Re5 draw
17 Rf6 draw
18 Rg6 draw
19 Rh6 draw
20 Ka4 loss in 2 half-moves
21 Kb4 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Re2 loss in 2 half-moves