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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Ka5 draw
5 Ka8 draw
6 Kaa7 draw
7 Kba7 draw
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rg6 loss in 2 half-moves
13 Rh6 loss in 2 half-moves
14 Kb5 loss in 1 half-moves
15 Kb8 loss in 1 half-moves
16 Kc6 loss in 1 half-moves
17 Kc7 loss in 1 half-moves
18 Kc8 loss in 1 half-moves
19 Rb5 loss in 1 half-moves
20 Rc6 loss in 1 half-moves