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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Ra4 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Ke8 draw
5 Kf7 draw
6 Kg7 draw
7 Kg8 draw
8 Ra7 draw
9 Nb4 loss in 2 half-moves
10 Nc1 loss in 2 half-moves
11 Nc3 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves