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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Rb2 draw
4 Ka4 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Kaa6 loss in 2 half-moves
7 Kab5 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kba6 loss in 2 half-moves
10 Kbb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Kb4 loss in 1 half-moves
22 Rb4 loss in 1 half-moves