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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 K3b3 draw
5 K3b4 draw
6 K4b3 draw
7 K4b4 draw
8 Ka2 draw
9 Ka5 draw
10 Kb2 draw
11 Kb5 draw
12 Ra7 draw
13 Rb6 draw
14 Rb8 draw
15 Rc7 draw
16 Rh7 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves