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 Re4 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Rh8 win in 5 half-moves
5 Kb7 draw
6 Kb8 draw
7 Kcc7 draw
8 Kcd7 draw
9 Kdc7 draw
10 Kdd7 draw
11 Ke7 draw
12 Ke8 draw
13 Rf4 draw
14 Rg4 draw
15 Rh5 draw
16 Rh6 draw
17 Ra4 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves