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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Re3 win in 1 half-moves
3 Rb4 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 K3b4 draw
8 K4b4 draw
9 Ka2 draw
10 Ka5 draw
11 Kb2 draw
12 Kb5 draw
13 Rc3 draw
14 Rd3 draw
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves