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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 K5b6 draw
3 K5c6 draw
4 K5d6 draw
5 K7b6 draw
6 K7c6 draw
7 K7d6 draw
8 Kb4 draw
9 Kb5 draw
10 Kb7 draw
11 Kb8 draw
12 Kc4 draw
13 Kc8 draw
14 Kd4 draw
15 Kd5 draw
16 Kd7 draw
17 Kd8 draw
18 Re7 draw
19 Rf3 draw
20 Rf8 draw
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves