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 Rb5 draw
3 Re3 draw
4 Rf3 draw
5 Rg3 draw
6 Ka5 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb7 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 Ra3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves