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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Rb4 win in 9 half-moves
5 Kb1 draw
6 Kb2 draw
7 Kc1 draw
8 Ke4 draw
9 Ke5 draw
10 Ke6 draw
11 Kf6 draw
12 Kg4 draw
13 Kg5 draw
14 Kg6 draw
15 Ra2 draw
16 Ra3 draw
17 Ra5 draw
18 Ra6 draw
19 Ra7 draw
20 Ra8 draw
21 Rd4 draw
22 Re4 draw
23 Kd1 loss in 2 half-moves
24 Kd2 loss in 2 half-moves
25 Kd3 loss in 2 half-moves
26 Kf4 loss in 2 half-moves
27 Ra1 loss in 2 half-moves
28 Rf4 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves