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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Rd6 win in 3 half-moves
3 Kc3 win in 5 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kc1 draw
7 Kc2 draw
8 Kc7 draw
9 Kd1 draw
10 Kd6 draw
11 Kd7 draw
12 Ke1 draw
13 Re1 draw
14 Re2 draw
15 Re7 draw
16 Re8 draw
17 Kb7 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves