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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rd7 win in 1 half-moves
5 Rb3 draw
6 Rb5 draw
7 K6b6 loss in 2 half-moves
8 K7b6 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kb5 loss in 1 half-moves