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 Kc6 draw
15 Kc7 draw
16 Kc8 draw
17 Ra3 draw
18 Rh3 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves