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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Rb3 draw
6 Rb4 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rh2 draw
11 K6b6 loss in 2 half-moves
12 K6b7 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 K7b7 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Ka8 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves