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

EGTB: win in 2 half-moves

# move score
1 Ka2 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Rb8 win in 3 half-moves
4 Kb2 draw
5 Rb2 draw
6 Ka3 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kb1 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves