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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb7 draw
4 Rc8 draw
5 Re8 draw
6 Rg8 draw
7 Rh8 draw
8 Rb4 loss in 4 half-moves
9 Rb6 loss in 4 half-moves
10 Ne2 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Nh3 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb1 loss in 1 half-moves
15 Rb2 loss in 1 half-moves
16 Rd8 loss in 1 half-moves
17 Rf8 loss in 1 half-moves