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 Ka7 draw
3 Kab7 draw
4 Kab8 draw
5 Kb6 draw
6 Kc6 draw
7 Kc8 draw
8 Kcb7 draw
9 Kcb8 draw
10 Kd6 draw
11 Kd7 draw
12 Kd8 draw
13 Re7 draw
14 Rf1 draw
15 Rf5 draw
16 Rf6 draw
17 Rf8 draw
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves