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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 g6 loss in 2 half-moves
8 Nd6 loss in 2 half-moves
9 Nd8 loss in 2 half-moves
10 Ne5 loss in 2 half-moves
11 Nh6 loss in 2 half-moves
12 Nh8 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves