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

EGTB: win in 4 half-moves

# move score
1 Kd4 win in 3 half-moves
2 Rf6 win in 3 half-moves
3 Rf5 win in 5 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kc4 draw
7 Kc6 draw
8 Kd2 draw
9 Kd5 draw
10 Ke1 draw
11 Ke2 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf4 draw
16 Rf7 draw
17 Rf8 draw
18 Rg3 draw
19 Rh3 draw
20 Kb4 loss in 2 half-moves
21 Kc1 loss in 2 half-moves
22 Kc2 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves