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

EGTB: win in 2 half-moves

# move score
1 Ka1 win in 1 half-moves
2 Ra7 draw
3 Rb1 draw
4 Rb2 draw
5 Rf7 draw
6 Rg7 draw
7 Rh7 draw
8 K2b2 loss in 2 half-moves
9 K2b3 loss in 2 half-moves
10 K3b2 loss in 2 half-moves
11 K3b3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb4 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 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Kb1 loss in 1 half-moves