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 Ra7 draw
14 Rb3 draw
15 Rb8 draw
16 Rc7 draw
17 Rg7 draw
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves