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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc4 draw
7 Kcc3 draw
8 Kcd2 draw
9 Kd1 draw
10 Kd4 draw
11 Kdc3 draw
12 Kdd2 draw
13 Ke2 draw
14 Ke3 draw
15 Ke4 draw
16 Ra6 draw
17 Rb6 draw
18 Rc6 draw
19 Rd5 draw
20 Rh6 draw
21 Rd7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves