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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Ka5 draw
7 Kb5 draw
8 Ra2 draw
9 Rb1 draw
10 Rb3 draw
11 Rb4 draw
12 Rb6 draw
13 Rb7 draw
14 Rg2 draw
15 Kb6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves