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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Re1 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Kaa5 loss in 2 half-moves
10 Kaa7 loss in 2 half-moves
11 Kab5 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kba5 loss in 2 half-moves
14 Kba7 loss in 2 half-moves
15 Kbb5 loss in 2 half-moves
16 Kbb7 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves