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 Rb6 win in 3 half-moves
4 Ka4 draw
5 Ka7 draw
6 Ka8 draw
7 Kaa6 draw
8 Kab6 draw
9 Kb4 draw
10 Kb5 draw
11 Kb8 draw
12 Kba6 draw
13 Kbb6 draw
14 Ra1 draw
15 Rb2 draw
16 Rb3 draw
17 Rc1 draw
18 Rh1 draw
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kc8 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves