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 K2a3 draw
4 K2b3 draw
5 K4a3 draw
6 K4b3 draw
7 Ka1 draw
8 Ka5 draw
9 Kb1 draw
10 Kb2 draw
11 Kb4 draw
12 Kb5 draw
13 Ra8 draw
14 Rb3 draw
15 Rb6 draw
16 Rb7 draw
17 Rc8 draw
18 Rd8 draw
19 Rh8 draw
20 Rb1 loss in 2 half-moves
21 Rb2 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