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

EGTB: win in 4 half-moves

# move score
1 Kd8 win in 3 half-moves
2 Kf7 win in 3 half-moves
3 Rb4 win in 5 half-moves
4 Kb6 draw
5 Kb8 draw
6 Kc6 draw
7 Kc8 draw
8 Kd6 draw
9 Kd7 draw
10 Kf8 draw
11 Kg7 draw
12 Kh7 draw
13 Kh8 draw
14 Ra4 draw
15 Rc4 draw
16 Rd4 draw
17 Re5 draw
18 Re6 draw
19 Re7 draw
20 Re8 draw
21 Kb7 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves