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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Ka1 draw
5 Ka4 draw
6 Kaa2 draw
7 Kab2 draw
8 Kb3 draw
9 Kba2 draw
10 Kbb2 draw
11 Kc1 draw
12 Kc2 draw
13 Ra8 draw
14 Rh8 draw
15 Kb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves