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