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 Rf4 win in 1 half-moves
3 Re4 win in 5 half-moves
4 Rg4 win in 5 half-moves
5 Rh4 win in 5 half-moves
6 Rb1 draw
7 Rb2 draw
8 Rc4 draw
9 Rd4 draw
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Ra4 loss in 2 half-moves