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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 K3a4 draw
3 K3b4 draw
4 K5a4 draw
5 K5b4 draw
6 Ka2 draw
7 Ka6 draw
8 Kb2 draw
9 Kb3 draw
10 Kb5 draw
11 Kb6 draw
12 Ra7 draw
13 Rb1 draw
14 Rb3 draw
15 Rb4 draw
16 Rb8 draw
17 Rf7 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves