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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Kc2 win in 5 half-moves
3 Kd2 win in 5 half-moves
4 Kb1 draw
5 Kb2 draw
6 Kd1 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Ke6 draw
11 Kf6 draw
12 Re1 draw
13 Rf5 draw
14 Rf6 draw
15 Rf7 draw
16 Rf8 draw
17 Ke4 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves