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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kb4 draw
5 Kb6 draw
6 Kc5 draw
7 Kc6 draw
8 Rc6 draw
9 Rd6 draw
10 Re5 draw
11 Re7 draw
12 Re8 draw
13 Rf6 draw
14 Rg6 draw
15 Rh6 draw
16 Re4 loss in 4 half-moves
17 Kc4 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves