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

EGTB: win in 2 half-moves

# move score
1 Ka2 win in 1 half-moves
2 Kd3 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Kb2 draw
5 Kb1 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Kd4 loss in 1 half-moves
21 Kd5 loss in 1 half-moves