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 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 Rb4 draw
16 Rc8 draw
17 Rg8 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 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 Rh8 loss in 2 half-moves