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 K6b6 draw
3 K6b7 draw
4 K6d6 draw
5 K6d7 draw
6 K7b6 draw
7 K7b7 draw
8 K7d6 draw
9 K7d7 draw
10 Kb5 draw
11 Kb8 draw
12 Kc5 draw
13 Kc8 draw
14 Kd5 draw
15 Kd8 draw
16 Re7 draw
17 Rf1 draw
18 Rf5 draw
19 Rf6 draw
20 Rf8 draw
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves