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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 K3b3 draw
3 K3b4 draw
4 K4b3 draw
5 K4b4 draw
6 Ka2 draw
7 Ka5 draw
8 Kb2 draw
9 Kb5 draw
10 Ra8 draw
11 Rc7 draw
12 Rd7 draw
13 Re7 draw
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves