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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 K2a3 draw
5 K2b3 draw
6 K4a3 draw
7 K4b3 draw
8 Ka1 draw
9 Ka5 draw
10 Kb1 draw
11 Kb2 draw
12 Ra8 draw
13 Rb3 draw
14 Rh8 draw
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves