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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 K5a6 draw
4 K5b6 draw
5 K7a6 draw
6 K7b6 draw
7 Ka4 draw
8 Ka8 draw
9 Kb4 draw
10 Kb5 draw
11 Kb7 draw
12 Kb8 draw
13 Ra2 draw
14 Rb1 draw
15 Rb3 draw
16 Rb6 draw
17 Rc2 draw
18 Rd2 draw
19 Rh2 draw
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves