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