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 Rb7 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 K5b6 draw
5 K7b6 draw
6 Rb1 draw
7 Rb6 draw
8 Rc2 draw
9 Rg2 draw
10 Rh2 draw
11 Ka4 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 K5a6 loss in 1 half-moves
24 K7a6 loss in 1 half-moves