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 Kab6 win in 5 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kab4 draw
6 Kab5 draw
7 Kc4 draw
8 Kc6 draw
9 Kcb4 draw
10 Kcb5 draw
11 Kcb6 draw
12 Ra7 draw
13 Rb7 draw
14 Rc8 draw
15 Re7 draw
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves