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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 K3a4 draw
4 K3b4 draw
5 K5a4 draw
6 K5b4 draw
7 Ka2 draw
8 Ka6 draw
9 Kb2 draw
10 Kb3 draw
11 Kb5 draw
12 Kb6 draw
13 Ra8 draw
14 Rb3 draw
15 Rb4 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