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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Re3 win in 1 half-moves
4 Rc3 draw
5 Rd3 draw
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 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
20 Kc3 loss in 1 half-moves
21 Kd3 loss in 1 half-moves