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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Rc4 draw
5 Re4 draw
6 Ka3 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Kaa2 loss in 2 half-moves
9 Kab2 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kba2 loss in 2 half-moves
12 Kbb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra4 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 Rf4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Kc4 loss in 1 half-moves