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 K7a7 draw
3 K7a8 draw
4 K8a7 draw
5 K8a8 draw
6 Ka6 draw
7 Ra6 draw
8 Rh6 draw
9 K7c7 loss in 2 half-moves
10 K7c8 loss in 2 half-moves
11 K8c7 loss in 2 half-moves
12 K8c8 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves