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 Rf6 win in 3 half-moves
3 Rf5 win in 5 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kc6 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Rc7 draw
11 Re7 draw
12 Rf4 draw
13 Rf8 draw
14 Rg7 draw
15 Rh7 draw
16 Kb4 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves