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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 K3a4 draw
3 K5a4 draw
4 Ka2 draw
5 Ka6 draw
6 Kb6 draw
7 Ra7 draw
8 Rb1 draw
9 Rb5 draw
10 Rb8 draw
11 Rc7 draw
12 Re7 draw
13 Rf7 draw
14 K3b4 loss in 2 half-moves
15 K5b4 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves