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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 g8=B draw
4 g8=K draw
5 Nb4 draw
6 Nc1 draw
7 Nc3 draw
8 Ra5 draw
9 Ra6 draw
10 Ra7 draw
11 Rb8 draw
12 Rc8 draw
13 Rg8 draw
14 g8=N loss in 6 half-moves
15 g8=Q loss in 2 half-moves
16 g8=R loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves