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 Re8 win in 1 half-moves
3 Kc1 draw
4 Kc2 draw
5 Kd1 draw
6 Kd3 draw
7 Ke2 draw
8 Ra1 draw
9 Rc1 draw
10 Rd1 draw
11 Re2 draw
12 Re3 draw
13 Kc3 loss in 4 half-moves
14 Ke3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves