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 Kb2 win in 7 half-moves
3 Kb1 draw
4 Kb6 draw
5 Kb7 draw
6 Kc2 draw
7 Kc5 draw
8 Kc7 draw
9 Kd1 draw
10 Kd2 draw
11 Kd5 draw
12 Kd6 draw
13 Kd7 draw
14 Re1 draw
15 Rf2 draw
16 Rf3 draw
17 Rf4 draw
18 Rf5 draw
19 Kb5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves