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

EGTB: win in 8 half-moves

# move score
1 Kb3 win in 7 half-moves
2 Ra1 win in 17 half-moves
3 Rb7 draw
4 Ka3 loss in 2 half-moves
5 Ka5 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Kf1 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves